./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--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c83beba5daeb0666cff9044643b6348ba6c1b525c7fa2c31d1ef14bafc36865d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:37:02,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:37:02,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:37:02,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:37:02,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:37:02,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:37:02,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:37:02,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:37:02,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:37:02,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:37:02,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:37:02,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:37:02,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:37:02,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:37:02,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:37:02,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:37:02,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:37:02,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:37:02,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:37:02,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:37:02,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:37:02,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:37:02,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:37:02,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:37:02,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:37:02,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:37:02,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:37:02,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:37:02,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:37:02,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:37:02,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:37:02,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:37:02,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:37:02,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:37:02,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:37:02,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:37:02,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:37:02,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:37:02,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:37:02,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:37:02,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:37:02,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:37:02,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:37:02,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:37:02,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:37:02,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:37:02,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:37:02,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:37:02,893 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:37:02,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:37:02,894 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:37:02,894 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:37:02,896 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:37:02,896 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:37:02,896 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:37:02,897 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:37:02,897 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:37:02,897 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:37:02,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:37:02,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:37:02,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:37:02,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:37:02,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:37:02,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:37:02,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:37:02,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:37:02,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:37:02,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:37:02,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:37:02,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:37:02,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:37:02,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:02,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:37:02,903 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:37:02,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:37:02,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:37:02,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:37:02,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:37:02,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:37:02,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:37:02,904 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_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c83beba5daeb0666cff9044643b6348ba6c1b525c7fa2c31d1ef14bafc36865d [2022-11-03 02:37:03,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:37:03,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:37:03,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:37:03,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:37:03,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:37:03,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-03 02:37:03,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/data/8aef39ca0/1e4f6a6642034e9dbc73dc87c2b0814e/FLAG6e04618fe [2022-11-03 02:37:04,750 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:37:04,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-03 02:37:04,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/data/8aef39ca0/1e4f6a6642034e9dbc73dc87c2b0814e/FLAG6e04618fe [2022-11-03 02:37:05,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/data/8aef39ca0/1e4f6a6642034e9dbc73dc87c2b0814e [2022-11-03 02:37:05,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:37:05,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:37:05,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:05,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:37:05,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:37:05,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93368ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05, skipping insertion in model container [2022-11-03 02:37:05,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:37:05,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:37:15,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i[714810,714823] [2022-11-03 02:37:15,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:15,612 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:37:16,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i[714810,714823] [2022-11-03 02:37:16,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:17,191 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:37:17,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17 WrapperNode [2022-11-03 02:37:17,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:17,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:17,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:37:17,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:37:17,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:17,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,241 INFO L138 Inliner]: procedures = 737, calls = 6833, calls flagged for inlining = 364, calls inlined = 324, statements flattened = 15620 [2022-11-03 02:37:18,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:18,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:37:18,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:37:18,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:37:18,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:18,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:19,233 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:19,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:19,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:37:19,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:37:19,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:37:19,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:37:19,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (1/1) ... [2022-11-03 02:37:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:19,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:37:19,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb3c30f-e856-4925-919f-eee2239f1f4a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:37:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd_sync [2022-11-03 02:37:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd_sync [2022-11-03 02:37:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_rx_replenish [2022-11-03 02:37:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_rx_replenish [2022-11-03 02:37:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:37:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:37:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:37:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:37:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure il_add_station_common [2022-11-03 02:37:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure il_add_station_common [2022-11-03 02:37:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:37:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:37:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:37:19,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:37:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 02:37:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 02:37:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:37:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:37:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:37:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:37:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_free_tfd [2022-11-03 02:37:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_free_tfd [2022-11-03 02:37:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:37:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:37:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-03 02:37:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-03 02:37:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rate_scale_init [2022-11-03 02:37:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rate_scale_init [2022-11-03 02:37:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-03 02:37:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-03 02:37:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_sta_remove [2022-11-03 02:37:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_sta_remove [2022-11-03 02:37:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:37:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:37:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_get_header_size [2022-11-03 02:37:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_get_header_size [2022-11-03 02:37:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_ctx_free [2022-11-03 02:37:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_ctx_free [2022-11-03 02:37:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure il_rd_prph [2022-11-03 02:37:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rd_prph [2022-11-03 02:37:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:37:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:37:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-03 02:37:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-03 02:37:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:37:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_beacon_cmd [2022-11-03 02:37:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_beacon_cmd [2022-11-03 02:37:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_geos [2022-11-03 02:37:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_geos [2022-11-03 02:37:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 02:37:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-03 02:37:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-03 02:37:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-03 02:37:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-03 02:37:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:37:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:37:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-03 02:37:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-03 02:37:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_add_interface [2022-11-03 02:37:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_add_interface [2022-11-03 02:37:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_load_bsm [2022-11-03 02:37:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_load_bsm [2022-11-03 02:37:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_assoc [2022-11-03 02:37:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_assoc [2022-11-03 02:37:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_get_temperature [2022-11-03 02:37:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_get_temperature [2022-11-03 02:37:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:37:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:37:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure il_sta_id_or_broadcast [2022-11-03 02:37:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure il_sta_id_or_broadcast [2022-11-03 02:37:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:37:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure il_alloc_fw_desc [2022-11-03 02:37:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure il_alloc_fw_desc [2022-11-03 02:37:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:37:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:37:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_sta_add [2022-11-03 02:37:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_sta_add [2022-11-03 02:37:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __il_free_pages [2022-11-03 02:37:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __il_free_pages [2022-11-03 02:37:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:37:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:37:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure il_update_stats [2022-11-03 02:37:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure il_update_stats [2022-11-03 02:37:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:37:19,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:37:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_comp_txpower_temp [2022-11-03 02:37:19,541 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_comp_txpower_temp [2022-11-03 02:37:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure il_clear_ucode_stations [2022-11-03 02:37:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure il_clear_ucode_stations [2022-11-03 02:37:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd_prph [2022-11-03 02:37:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd_prph [2022-11-03 02:37:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_reassoc_req [2022-11-03 02:37:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_reassoc_req [2022-11-03 02:37:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-03 02:37:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-03 02:37:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:37:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-11-03 02:37:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-11-03 02:37:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:37:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:37:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 02:37:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 02:37:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 02:37:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 02:37:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:37:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:37:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:37:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:37:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-11-03 02:37:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-11-03 02:37:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:37:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:37:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_rx_stats_read [2022-11-03 02:37:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_rx_stats_read [2022-11-03 02:37:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:37:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:37:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 02:37:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 02:37:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:37:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:37:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_clear_win [2022-11-03 02:37:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_clear_win [2022-11-03 02:37:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_remove_interface [2022-11-03 02:37:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_remove_interface [2022-11-03 02:37:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-03 02:37:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-03 02:37:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_set_scan_power [2022-11-03 02:37:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_set_scan_power [2022-11-03 02:37:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_config [2022-11-03 02:37:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_config [2022-11-03 02:37:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:37:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:37:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_set_key [2022-11-03 02:37:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_set_key [2022-11-03 02:37:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:37:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:37:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure __il3945_up [2022-11-03 02:37:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __il3945_up [2022-11-03 02:37:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_restart [2022-11-03 02:37:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_restart [2022-11-03 02:37:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_alive_start [2022-11-03 02:37:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_alive_start [2022-11-03 02:37:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_txq_attach_buf_to_tfd [2022-11-03 02:37:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_txq_attach_buf_to_tfd [2022-11-03 02:37:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_fix_power_idx [2022-11-03 02:37:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_fix_power_idx [2022-11-03 02:37:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:37:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:37:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:37:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_txpower_get_temperature [2022-11-03 02:37:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_txpower_get_temperature [2022-11-03 02:37:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_bit [2022-11-03 02:37:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_bit [2022-11-03 02:37:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_reg_txpower_periodic [2022-11-03 02:37:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_reg_txpower_periodic [2022-11-03 02:37:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-03 02:37:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-03 02:37:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:37:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:37:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:37:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 02:37:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 02:37:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_alive [2022-11-03 02:37:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_alive [2022-11-03 02:37:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_9 [2022-11-03 02:37:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_9 [2022-11-03 02:37:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr___0 [2022-11-03 02:37:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr___0 [2022-11-03 02:37:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:37:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:37:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_timing [2022-11-03 02:37:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_timing [2022-11-03 02:37:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:37:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:37:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure il_rx_queue_update_write_ptr [2022-11-03 02:37:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rx_queue_update_write_ptr [2022-11-03 02:37:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:37:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:37:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd_pdu [2022-11-03 02:37:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd_pdu [2022-11-03 02:37:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:37:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:37:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_verify_ucode [2022-11-03 02:37:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_verify_ucode [2022-11-03 02:37:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_tx_last_beacon [2022-11-03 02:37:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_tx_last_beacon [2022-11-03 02:37:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_rxon_assoc [2022-11-03 02:37:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_rxon_assoc [2022-11-03 02:37:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:37:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:37:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:37:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:37:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr_prph [2022-11-03 02:37:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr_prph [2022-11-03 02:37:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:37:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:37:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_is_temp_calib_needed [2022-11-03 02:37:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_is_temp_calib_needed [2022-11-03 02:37:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd [2022-11-03 02:37:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd [2022-11-03 02:37:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:37:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:37:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:37:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:37:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_debug_level [2022-11-03 02:37:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_debug_level [2022-11-03 02:37:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure _il_stop_queue [2022-11-03 02:37:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_stop_queue [2022-11-03 02:37:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_queue_restock [2022-11-03 02:37:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_queue_restock [2022-11-03 02:37:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_add_sta [2022-11-03 02:37:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_add_sta [2022-11-03 02:37:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:37:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:37:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_flush [2022-11-03 02:37:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_flush [2022-11-03 02:37:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_valid_rtc_data_addr [2022-11-03 02:37:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_valid_rtc_data_addr [2022-11-03 02:37:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_morefrags [2022-11-03 02:37:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_morefrags [2022-11-03 02:37:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:37:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:37:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:37:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:37:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:37:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:37:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:37:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:37:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_space [2022-11-03 02:37:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_space [2022-11-03 02:37:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 02:37:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 02:37:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:37:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:37:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure _il_release_nic_access [2022-11-03 02:37:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_release_nic_access [2022-11-03 02:37:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:37:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:37:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 02:37:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 02:37:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:37:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:37:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_collect_tx_data [2022-11-03 02:37:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_collect_tx_data [2022-11-03 02:37:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:37:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:37:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure il_enable_interrupts [2022-11-03 02:37:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure il_enable_interrupts [2022-11-03 02:37:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_commit_rxon [2022-11-03 02:37:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_commit_rxon [2022-11-03 02:37:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_channel_valid [2022-11-03 02:37:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_channel_valid [2022-11-03 02:37:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:37:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:37:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-03 02:37:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-03 02:37:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:37:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:37:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_conf_tx [2022-11-03 02:37:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_conf_tx [2022-11-03 02:37:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:37:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:37:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr [2022-11-03 02:37:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr [2022-11-03 02:37:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:37:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:37:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_synchronize_irq [2022-11-03 02:37:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_synchronize_irq [2022-11-03 02:37:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_fw_desc [2022-11-03 02:37:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_fw_desc [2022-11-03 02:37:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-03 02:37:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-03 02:37:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:37:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:37:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure il_bg_watchdog [2022-11-03 02:37:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure il_bg_watchdog [2022-11-03 02:37:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:37:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr [2022-11-03 02:37:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr [2022-11-03 02:37:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:37:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:37:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_associated [2022-11-03 02:37:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_associated [2022-11-03 02:37:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_down [2022-11-03 02:37:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_down [2022-11-03 02:37:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_apm_init [2022-11-03 02:37:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_apm_init [2022-11-03 02:37:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure il_scan_cancel_timeout [2022-11-03 02:37:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure il_scan_cancel_timeout [2022-11-03 02:37:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:37:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_ucode_general_stats_read [2022-11-03 02:37:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_ucode_general_stats_read [2022-11-03 02:37:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-11-03 02:37:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-11-03 02:37:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_pages [2022-11-03 02:37:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_pages [2022-11-03 02:37:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_channel_map [2022-11-03 02:37:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_channel_map [2022-11-03 02:37:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:37:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:37:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_channel_info [2022-11-03 02:37:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_channel_info [2022-11-03 02:37:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-03 02:37:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-03 02:37:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2022-11-03 02:37:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2022-11-03 02:37:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-03 02:37:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-03 02:37:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_stats_flag [2022-11-03 02:37:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_stats_flag [2022-11-03 02:37:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:37:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 02:37:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 02:37:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_init_alive_start [2022-11-03 02:37:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_init_alive_start [2022-11-03 02:37:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-03 02:37:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-03 02:37:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:37:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:37:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure il_disable_interrupts [2022-11-03 02:37:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure il_disable_interrupts [2022-11-03 02:37:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 02:37:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 02:37:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:37:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:37:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_reset_tsf [2022-11-03 02:37:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_reset_tsf [2022-11-03 02:37:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 02:37:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 02:37:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 02:37:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 02:37:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rfkill_poll [2022-11-03 02:37:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rfkill_poll [2022-11-03 02:37:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_replenish [2022-11-03 02:37:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_replenish [2022-11-03 02:37:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_get_prev_ieee_rate [2022-11-03 02:37:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_get_prev_ieee_rate [2022-11-03 02:37:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:37:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:37:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-03 02:37:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-03 02:37:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_dump_nic_error_log [2022-11-03 02:37:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_dump_nic_error_log [2022-11-03 02:37:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:37:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:37:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_inc_wrap [2022-11-03 02:37:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_inc_wrap [2022-11-03 02:37:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure il_restore_stations [2022-11-03 02:37:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure il_restore_stations [2022-11-03 02:37:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:37:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:37:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-03 02:37:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-03 02:37:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-11-03 02:37:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-11-03 02:37:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:37:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:37:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_channel_a_band [2022-11-03 02:37:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_channel_a_band [2022-11-03 02:37:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_tx_power [2022-11-03 02:37:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_tx_power [2022-11-03 02:37:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:37:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:37:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-03 02:37:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-03 02:37:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-03 02:37:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-03 02:37:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:37:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:37:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_bss_info_changed [2022-11-03 02:37:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_bss_info_changed [2022-11-03 02:37:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_verify_inst_sparse [2022-11-03 02:37:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_verify_inst_sparse [2022-11-03 02:37:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:37:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rx_allocate [2022-11-03 02:37:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rx_allocate [2022-11-03 02:37:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 02:37:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 02:37:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-03 02:37:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-03 02:37:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_tx [2022-11-03 02:37:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_tx [2022-11-03 02:37:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_remove_debugfs [2022-11-03 02:37:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_remove_debugfs [2022-11-03 02:37:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_hw_reg_adjust_power_by_temp [2022-11-03 02:37:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_hw_reg_adjust_power_by_temp [2022-11-03 02:37:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_assoc_req [2022-11-03 02:37:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_assoc_req [2022-11-03 02:37:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:37:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:37:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure il_read_targ_mem [2022-11-03 02:37:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure il_read_targ_mem [2022-11-03 02:37:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure _il_grab_nic_access [2022-11-03 02:37:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_grab_nic_access [2022-11-03 02:37:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure __il3945_down [2022-11-03 02:37:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __il3945_down [2022-11-03 02:37:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_dealloc_ucode_pci [2022-11-03 02:37:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_dealloc_ucode_pci [2022-11-03 02:37:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:37:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:37:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:37:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:37:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:37:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:37:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure il_txq_update_write_ptr [2022-11-03 02:37:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure il_txq_update_write_ptr [2022-11-03 02:37:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr_prph [2022-11-03 02:37:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr_prph [2022-11-03 02:37:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 02:37:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 02:37:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_eeprom_acquire_semaphore [2022-11-03 02:37:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_eeprom_acquire_semaphore [2022-11-03 02:37:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_rate_control_unregister [2022-11-03 02:37:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_rate_control_unregister [2022-11-03 02:37:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_unset_hw_params [2022-11-03 02:37:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_unset_hw_params [2022-11-03 02:37:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:37:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:37:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure _il_clear_bit [2022-11-03 02:37:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_clear_bit [2022-11-03 02:37:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 02:37:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 02:37:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure _il_poll_bit [2022-11-03 02:37:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_poll_bit [2022-11-03 02:37:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_rfkill [2022-11-03 02:37:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_rfkill [2022-11-03 02:37:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-11-03 02:37:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-11-03 02:37:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 02:37:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 02:37:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_get_antenna_flags [2022-11-03 02:37:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_get_antenna_flags [2022-11-03 02:37:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:37:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:37:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:37:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:37:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_change_interface [2022-11-03 02:37:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_change_interface [2022-11-03 02:37:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_hw_scan [2022-11-03 02:37:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_hw_scan [2022-11-03 02:37:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_send_tx_power [2022-11-03 02:37:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_send_tx_power [2022-11-03 02:37:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 02:37:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 02:37:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:37:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:37:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_configure_filter [2022-11-03 02:37:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_configure_filter [2022-11-03 02:37:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 02:37:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 02:37:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_mac_start [2022-11-03 02:37:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_mac_start [2022-11-03 02:37:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:37:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 02:37:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 02:37:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-03 02:37:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-03 02:37:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure il3945_bg_reg_txpower_periodic [2022-11-03 02:37:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure il3945_bg_reg_txpower_periodic [2022-11-03 02:37:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 02:37:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 02:37:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-03 02:37:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-03 02:37:21,977 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:37:21,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:37:22,078 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:37:49,991 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:37:56,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:37:56,739 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:37:56,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:56 BoogieIcfgContainer [2022-11-03 02:37:56,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:37:56,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:37:56,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:37:56,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:37:56,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:37:05" (1/3) ... [2022-11-03 02:37:56,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673b38ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:56, skipping insertion in model container [2022-11-03 02:37:56,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:17" (2/3) ... [2022-11-03 02:37:56,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673b38ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:56, skipping insertion in model container [2022-11-03 02:37:56,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:56" (3/3) ... [2022-11-03 02:37:56,757 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl3945.ko-entry_point.cil.out.i [2022-11-03 02:37:56,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:37:56,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:37:56,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:37:56,952 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;@5584fc73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:37:56,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:37:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 4070 states, 2497 states have (on average 1.3396075290348417) internal successors, (3345), 2591 states have internal predecessors, (3345), 1349 states have call successors, (1349), 223 states have call predecessors, (1349), 222 states have return successors, (1322), 1313 states have call predecessors, (1322), 1322 states have call successors, (1322) [2022-11-03 02:37:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2022-11-03 02:37:57,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:57,068 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:57,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:57,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:57,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1812196356, now seen corresponding path program 1 times [2022-11-03 02:37:57,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:57,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215214793] [2022-11-03 02:37:57,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:57,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12351 trivial. 0 not checked. [2022-11-03 02:38:00,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:00,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215214793] [2022-11-03 02:38:00,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215214793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:00,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:00,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:00,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689293846] [2022-11-03 02:38:00,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:00,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:00,519 INFO L87 Difference]: Start difference. First operand has 4070 states, 2497 states have (on average 1.3396075290348417) internal successors, (3345), 2591 states have internal predecessors, (3345), 1349 states have call successors, (1349), 223 states have call predecessors, (1349), 222 states have return successors, (1322), 1313 states have call predecessors, (1322), 1322 states have call successors, (1322) Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2022-11-03 02:38:02,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:10,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:17,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:18,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:18,461 INFO L93 Difference]: Finished difference Result 10734 states and 15998 transitions. [2022-11-03 02:38:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:18,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) Word has length 794 [2022-11-03 02:38:18,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:18,502 INFO L225 Difference]: With dead ends: 10734 [2022-11-03 02:38:18,502 INFO L226 Difference]: Without dead ends: 2631 [2022-11-03 02:38:18,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:18,544 INFO L413 NwaCegarLoop]: 8614 mSDtfsCounter, 5108 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5108 SdHoareTripleChecker+Valid, 13037 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:18,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5108 Valid, 13037 Invalid, 1524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1522 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2022-11-03 02:38:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2022-11-03 02:38:18,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2022-11-03 02:38:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 1718 states have (on average 1.341094295692666) internal successors, (2304), 1741 states have internal predecessors, (2304), 769 states have call successors, (769), 144 states have call predecessors, (769), 143 states have return successors, (768), 763 states have call predecessors, (768), 768 states have call successors, (768) [2022-11-03 02:38:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3841 transitions. [2022-11-03 02:38:19,013 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3841 transitions. Word has length 794 [2022-11-03 02:38:19,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:19,025 INFO L495 AbstractCegarLoop]: Abstraction has 2631 states and 3841 transitions. [2022-11-03 02:38:19,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (80), 3 states have call predecessors, (80), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2022-11-03 02:38:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3841 transitions. [2022-11-03 02:38:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-11-03 02:38:19,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:19,068 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:19,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:38:19,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:19,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:19,071 INFO L85 PathProgramCache]: Analyzing trace with hash -41255430, now seen corresponding path program 1 times [2022-11-03 02:38:19,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:19,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16923745] [2022-11-03 02:38:19,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13720 trivial. 0 not checked. [2022-11-03 02:38:20,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:20,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16923745] [2022-11-03 02:38:20,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16923745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:20,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:20,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:20,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726939451] [2022-11-03 02:38:20,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:20,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:20,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:20,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:20,990 INFO L87 Difference]: Start difference. First operand 2631 states and 3841 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-03 02:38:23,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:26,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:30,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:30,445 INFO L93 Difference]: Finished difference Result 7494 states and 10925 transitions. [2022-11-03 02:38:30,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:30,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 820 [2022-11-03 02:38:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:30,485 INFO L225 Difference]: With dead ends: 7494 [2022-11-03 02:38:30,486 INFO L226 Difference]: Without dead ends: 4996 [2022-11-03 02:38:30,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:30,501 INFO L413 NwaCegarLoop]: 4117 mSDtfsCounter, 3420 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 7551 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:30,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 7551 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 813 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 02:38:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4996 states. [2022-11-03 02:38:30,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4996 to 4991. [2022-11-03 02:38:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4991 states, 3277 states have (on average 1.3478791577662497) internal successors, (4417), 3323 states have internal predecessors, (4417), 1431 states have call successors, (1431), 283 states have call predecessors, (1431), 282 states have return successors, (1430), 1418 states have call predecessors, (1430), 1430 states have call successors, (1430) [2022-11-03 02:38:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7278 transitions. [2022-11-03 02:38:30,888 INFO L78 Accepts]: Start accepts. Automaton has 4991 states and 7278 transitions. Word has length 820 [2022-11-03 02:38:30,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:30,892 INFO L495 AbstractCegarLoop]: Abstraction has 4991 states and 7278 transitions. [2022-11-03 02:38:30,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-03 02:38:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7278 transitions. [2022-11-03 02:38:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2022-11-03 02:38:30,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:30,922 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 54, 54, 54, 54, 54, 54, 54, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:30,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:38:30,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:30,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:30,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2037775158, now seen corresponding path program 1 times [2022-11-03 02:38:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:30,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873019258] [2022-11-03 02:38:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 15780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15780 trivial. 0 not checked. [2022-11-03 02:38:32,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:32,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873019258] [2022-11-03 02:38:32,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873019258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:32,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:32,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:32,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786706146] [2022-11-03 02:38:32,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:32,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:32,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:32,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:32,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:32,803 INFO L87 Difference]: Start difference. First operand 4991 states and 7278 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-03 02:38:34,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:38,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:42,667 INFO L93 Difference]: Finished difference Result 14390 states and 20965 transitions. [2022-11-03 02:38:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:42,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 884 [2022-11-03 02:38:42,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:42,744 INFO L225 Difference]: With dead ends: 14390 [2022-11-03 02:38:42,744 INFO L226 Difference]: Without dead ends: 9532 [2022-11-03 02:38:42,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:42,774 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 3300 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3300 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:42,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3300 Valid, 7506 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 822 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-11-03 02:38:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9532 states. [2022-11-03 02:38:43,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9532 to 9526. [2022-11-03 02:38:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9526 states, 6286 states have (on average 1.3534839325485206) internal successors, (8508), 6378 states have internal predecessors, (8508), 2686 states have call successors, (2686), 554 states have call predecessors, (2686), 553 states have return successors, (2685), 2659 states have call predecessors, (2685), 2685 states have call successors, (2685) [2022-11-03 02:38:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9526 states to 9526 states and 13879 transitions. [2022-11-03 02:38:43,476 INFO L78 Accepts]: Start accepts. Automaton has 9526 states and 13879 transitions. Word has length 884 [2022-11-03 02:38:43,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:43,478 INFO L495 AbstractCegarLoop]: Abstraction has 9526 states and 13879 transitions. [2022-11-03 02:38:43,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-03 02:38:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9526 states and 13879 transitions. [2022-11-03 02:38:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2022-11-03 02:38:43,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:43,500 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 26, 26, 26, 26, 26, 26, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:43,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:38:43,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:43,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1349179953, now seen corresponding path program 1 times [2022-11-03 02:38:43,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:43,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144209371] [2022-11-03 02:38:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:45,273 INFO L134 CoverageAnalysis]: Checked inductivity of 15027 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15027 trivial. 0 not checked. [2022-11-03 02:38:45,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:45,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144209371] [2022-11-03 02:38:45,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144209371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:45,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:45,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:45,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648722585] [2022-11-03 02:38:45,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:45,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:45,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:45,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:45,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:45,277 INFO L87 Difference]: Start difference. First operand 9526 states and 13879 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-03 02:38:47,425 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 [] [2022-11-03 02:38:50,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:54,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:54,061 INFO L93 Difference]: Finished difference Result 26628 states and 38756 transitions. [2022-11-03 02:38:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:54,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 899 [2022-11-03 02:38:54,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:54,171 INFO L225 Difference]: With dead ends: 26628 [2022-11-03 02:38:54,171 INFO L226 Difference]: Without dead ends: 17235 [2022-11-03 02:38:54,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:54,211 INFO L413 NwaCegarLoop]: 4018 mSDtfsCounter, 2874 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 7410 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:54,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 7410 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 852 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 02:38:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2022-11-03 02:38:55,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17231. [2022-11-03 02:38:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 11383 states have (on average 1.3558815777914435) internal successors, (15434), 11547 states have internal predecessors, (15434), 4818 states have call successors, (4818), 1030 states have call predecessors, (4818), 1029 states have return successors, (4817), 4767 states have call predecessors, (4817), 4817 states have call successors, (4817) [2022-11-03 02:38:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25069 transitions. [2022-11-03 02:38:55,308 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25069 transitions. Word has length 899 [2022-11-03 02:38:55,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:55,310 INFO L495 AbstractCegarLoop]: Abstraction has 17231 states and 25069 transitions. [2022-11-03 02:38:55,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-03 02:38:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25069 transitions. [2022-11-03 02:38:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-11-03 02:38:55,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:55,349 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 22, 22, 21, 21, 21, 21, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:55,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:38:55,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -35263158, now seen corresponding path program 1 times [2022-11-03 02:38:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:55,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906371300] [2022-11-03 02:38:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13830 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13811 trivial. 0 not checked. [2022-11-03 02:38:57,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:57,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906371300] [2022-11-03 02:38:57,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906371300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:57,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:57,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:57,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556750774] [2022-11-03 02:38:57,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:57,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:57,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:57,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:57,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:57,247 INFO L87 Difference]: Start difference. First operand 17231 states and 25069 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-03 02:38:59,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:02,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:06,391 INFO L93 Difference]: Finished difference Result 50598 states and 73601 transitions. [2022-11-03 02:39:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:39:06,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 947 [2022-11-03 02:39:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:06,608 INFO L225 Difference]: With dead ends: 50598 [2022-11-03 02:39:06,609 INFO L226 Difference]: Without dead ends: 33500 [2022-11-03 02:39:06,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:06,690 INFO L413 NwaCegarLoop]: 4631 mSDtfsCounter, 3356 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 8063 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:06,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 8063 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 893 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-03 02:39:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33500 states. [2022-11-03 02:39:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33500 to 33497. [2022-11-03 02:39:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33497 states, 22158 states have (on average 1.3573427204621356) internal successors, (30076), 22461 states have internal predecessors, (30076), 9323 states have call successors, (9323), 2016 states have call predecessors, (9323), 2015 states have return successors, (9322), 9229 states have call predecessors, (9322), 9322 states have call successors, (9322) [2022-11-03 02:39:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33497 states to 33497 states and 48721 transitions. [2022-11-03 02:39:09,127 INFO L78 Accepts]: Start accepts. Automaton has 33497 states and 48721 transitions. Word has length 947 [2022-11-03 02:39:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:09,129 INFO L495 AbstractCegarLoop]: Abstraction has 33497 states and 48721 transitions. [2022-11-03 02:39:09,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 2 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-03 02:39:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33497 states and 48721 transitions. [2022-11-03 02:39:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2022-11-03 02:39:09,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:09,187 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 22, 22, 21, 21, 21, 21, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:09,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:39:09,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:09,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1541746971, now seen corresponding path program 1 times [2022-11-03 02:39:09,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:09,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373580206] [2022-11-03 02:39:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14330 trivial. 0 not checked. [2022-11-03 02:39:11,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:11,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373580206] [2022-11-03 02:39:11,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373580206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:11,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:11,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:39:11,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461559880] [2022-11-03 02:39:11,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:11,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:39:11,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:11,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:39:11,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:11,379 INFO L87 Difference]: Start difference. First operand 33497 states and 48721 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-03 02:39:13,520 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 [] [2022-11-03 02:39:18,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:19,626 INFO L93 Difference]: Finished difference Result 66863 states and 97245 transitions. [2022-11-03 02:39:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:39:19,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 979 [2022-11-03 02:39:19,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:19,796 INFO L225 Difference]: With dead ends: 66863 [2022-11-03 02:39:19,796 INFO L226 Difference]: Without dead ends: 33483 [2022-11-03 02:39:20,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:20,040 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 0 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6874 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:20,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6874 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 803 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 02:39:20,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33483 states. [2022-11-03 02:39:21,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33483 to 33443. [2022-11-03 02:39:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33443 states, 22112 states have (on average 1.3571816208393632) internal successors, (30010), 22419 states have internal predecessors, (30010), 9319 states have call successors, (9319), 2012 states have call predecessors, (9319), 2011 states have return successors, (9318), 9221 states have call predecessors, (9318), 9318 states have call successors, (9318) [2022-11-03 02:39:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33443 states to 33443 states and 48647 transitions. [2022-11-03 02:39:22,290 INFO L78 Accepts]: Start accepts. Automaton has 33443 states and 48647 transitions. Word has length 979 [2022-11-03 02:39:22,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:22,291 INFO L495 AbstractCegarLoop]: Abstraction has 33443 states and 48647 transitions. [2022-11-03 02:39:22,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-03 02:39:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 33443 states and 48647 transitions. [2022-11-03 02:39:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1110 [2022-11-03 02:39:22,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:22,369 INFO L195 NwaCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:22,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:39:22,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash -842186444, now seen corresponding path program 1 times [2022-11-03 02:39:22,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:22,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944905505] [2022-11-03 02:39:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 27041 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 27030 trivial. 0 not checked. [2022-11-03 02:39:25,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:25,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944905505] [2022-11-03 02:39:25,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944905505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:25,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:25,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:39:25,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073437400] [2022-11-03 02:39:25,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:25,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:39:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:39:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:25,304 INFO L87 Difference]: Start difference. First operand 33443 states and 48647 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-03 02:39:27,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:32,687 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 [] [2022-11-03 02:39:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:35,787 INFO L93 Difference]: Finished difference Result 83353 states and 121260 transitions. [2022-11-03 02:39:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:39:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 1109 [2022-11-03 02:39:35,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:36,032 INFO L225 Difference]: With dead ends: 83353 [2022-11-03 02:39:36,032 INFO L226 Difference]: Without dead ends: 50043 [2022-11-03 02:39:36,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:36,152 INFO L413 NwaCegarLoop]: 5952 mSDtfsCounter, 3438 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 9361 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:36,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 9361 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1079 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 02:39:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50043 states. [2022-11-03 02:39:39,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50043 to 50037. [2022-11-03 02:39:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50037 states, 33104 states have (on average 1.3574794586756886) internal successors, (44938), 33565 states have internal predecessors, (44938), 13927 states have call successors, (13927), 3006 states have call predecessors, (13927), 3005 states have return successors, (13926), 13779 states have call predecessors, (13926), 13926 states have call successors, (13926) [2022-11-03 02:39:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50037 states to 50037 states and 72791 transitions. [2022-11-03 02:39:39,513 INFO L78 Accepts]: Start accepts. Automaton has 50037 states and 72791 transitions. Word has length 1109 [2022-11-03 02:39:39,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:39,515 INFO L495 AbstractCegarLoop]: Abstraction has 50037 states and 72791 transitions. [2022-11-03 02:39:39,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-03 02:39:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 50037 states and 72791 transitions. [2022-11-03 02:39:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2022-11-03 02:39:39,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:39,634 INFO L195 NwaCegarLoop]: trace histogram [76, 76, 76, 76, 76, 76, 76, 76, 76, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:39,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:39:39,635 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:39,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1350439312, now seen corresponding path program 1 times [2022-11-03 02:39:39,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:39,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460379483] [2022-11-03 02:39:39,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:39,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 29981 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 29970 trivial. 0 not checked. [2022-11-03 02:39:42,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:42,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460379483] [2022-11-03 02:39:42,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460379483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:42,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:42,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:39:42,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081586504] [2022-11-03 02:39:42,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:42,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:39:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:39:42,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:42,266 INFO L87 Difference]: Start difference. First operand 50037 states and 72791 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-11-03 02:39:44,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:52,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:52,994 INFO L93 Difference]: Finished difference Result 125143 states and 182022 transitions. [2022-11-03 02:39:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:39:52,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) Word has length 1173 [2022-11-03 02:39:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:53,354 INFO L225 Difference]: With dead ends: 125143 [2022-11-03 02:39:53,355 INFO L226 Difference]: Without dead ends: 75239 [2022-11-03 02:39:53,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:53,521 INFO L413 NwaCegarLoop]: 5923 mSDtfsCounter, 3516 mSDsluCounter, 3753 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 9289 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:53,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 9289 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1077 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 02:39:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75239 states. [2022-11-03 02:39:56,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75239 to 75230. [2022-11-03 02:39:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75230 states, 49800 states have (on average 1.356847389558233) internal successors, (67571), 50493 states have internal predecessors, (67571), 20890 states have call successors, (20890), 4540 states have call predecessors, (20890), 4539 states have return successors, (20889), 20668 states have call predecessors, (20889), 20889 states have call successors, (20889) [2022-11-03 02:39:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75230 states to 75230 states and 109350 transitions. [2022-11-03 02:39:57,604 INFO L78 Accepts]: Start accepts. Automaton has 75230 states and 109350 transitions. Word has length 1173 [2022-11-03 02:39:57,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:57,606 INFO L495 AbstractCegarLoop]: Abstraction has 75230 states and 109350 transitions. [2022-11-03 02:39:57,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-11-03 02:39:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 75230 states and 109350 transitions. [2022-11-03 02:39:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1177 [2022-11-03 02:39:57,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:57,697 INFO L195 NwaCegarLoop]: trace histogram [76, 76, 76, 76, 76, 76, 76, 76, 76, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:57,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:39:57,698 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:57,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:57,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1663655835, now seen corresponding path program 1 times [2022-11-03 02:39:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:57,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702052016] [2022-11-03 02:39:57,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:57,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 29981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29981 trivial. 0 not checked. [2022-11-03 02:40:00,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:00,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702052016] [2022-11-03 02:40:00,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702052016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:00,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:00,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:00,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267623253] [2022-11-03 02:40:00,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:00,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:00,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:00,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:00,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:00,970 INFO L87 Difference]: Start difference. First operand 75230 states and 109350 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (107), 3 states have call predecessors, (107), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2022-11-03 02:40:03,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:12,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:12,946 INFO L93 Difference]: Finished difference Result 150159 states and 218247 transitions. [2022-11-03 02:40:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:12,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (107), 3 states have call predecessors, (107), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1176 [2022-11-03 02:40:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:13,709 INFO L225 Difference]: With dead ends: 150159 [2022-11-03 02:40:13,710 INFO L226 Difference]: Without dead ends: 150156 [2022-11-03 02:40:13,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:13,761 INFO L413 NwaCegarLoop]: 4136 mSDtfsCounter, 3463 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3463 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:13,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3463 Valid, 7376 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 02:40:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150156 states.