./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0 --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- 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-e04fb08 [2022-11-16 19:59:59,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:59:59,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:59:59,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:59:59,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:59:59,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:59:59,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:59:59,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:59:59,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:59:59,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:59:59,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:59:59,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:59:59,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:59:59,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:59:59,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:59:59,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:59:59,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:59:59,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:59:59,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:59:59,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:59:59,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:59:59,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:59:59,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:59:59,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:59:59,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:59:59,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:59:59,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:59:59,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:59:59,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:59:59,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:59:59,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:59:59,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:59:59,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:59:59,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:59:59,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:59:59,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:59:59,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:59:59,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:59:59,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:59:59,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:59:59,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:59:59,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:59:59,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:59:59,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:59:59,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:59:59,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:59:59,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:59:59,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:59:59,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:59:59,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:59:59,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:59:59,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:59:59,543 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:59:59,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:59:59,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:59:59,544 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:59:59,544 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:59:59,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:59:59,545 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:59:59,545 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:59:59,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:59:59,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:59:59,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:59:59,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:59:59,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:59:59,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:59:59,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:59:59,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:59:59,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:59:59,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:59:59,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:59:59,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:59:59,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:59:59,549 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:59:59,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:59:59,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:59:59,550 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:59:59,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:59:59,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:59:59,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:59:59,551 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_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-16 19:59:59,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:59:59,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:59:59,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:59:59,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:59:59,889 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:59:59,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 19:59:59,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/data/9c166562a/96c2539ab133440f9ebf51b7d35a10a4/FLAG07d107901 [2022-11-16 20:00:01,105 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:00:01,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 20:00:01,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/data/9c166562a/96c2539ab133440f9ebf51b7d35a10a4/FLAG07d107901 [2022-11-16 20:00:01,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/data/9c166562a/96c2539ab133440f9ebf51b7d35a10a4 [2022-11-16 20:00:01,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:00:01,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:00:01,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:00:01,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:00:01,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:00:01,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:01" (1/1) ... [2022-11-16 20:00:01,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2132002c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:01, skipping insertion in model container [2022-11-16 20:00:01,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:01" (1/1) ... [2022-11-16 20:00:01,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:00:01,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:00:02,893 WARN L229 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_28e03030-2635-4af8-8cf5-e9a44e22f4c7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-16 20:00:09,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:00:09,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:00:09,412 WARN L229 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_28e03030-2635-4af8-8cf5-e9a44e22f4c7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-16 20:00:10,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:00:10,282 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:00:10,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10 WrapperNode [2022-11-16 20:00:10,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:00:10,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:00:10,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:00:10,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:00:10,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:10,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:10,850 INFO L138 Inliner]: procedures = 713, calls = 6665, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13204 [2022-11-16 20:00:10,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:00:10,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:00:10,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:00:10,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:00:10,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:10,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:10,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:10,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:00:11,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:00:11,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:00:11,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:00:11,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (1/1) ... [2022-11-16 20:00:11,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:00:11,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:00:11,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:00:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e03030-2635-4af8-8cf5-e9a44e22f4c7/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:00:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-16 20:00:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-16 20:00:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-16 20:00:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-16 20:00:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 20:00:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 20:00:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-16 20:00:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-16 20:00:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-16 20:00:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-16 20:00:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-16 20:00:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-16 20:00:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 20:00:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 20:00:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-16 20:00:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-16 20:00:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-16 20:00:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-16 20:00:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-16 20:00:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-16 20:00:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-16 20:00:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-16 20:00:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 20:00:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 20:00:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-16 20:00:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-16 20:00:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 20:00:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 20:00:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-16 20:00:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-16 20:00:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-16 20:00:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-16 20:00:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 20:00:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 20:00:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-16 20:00:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-16 20:00:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-16 20:00:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-16 20:00:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-16 20:00:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-16 20:00:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-16 20:00:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-16 20:00:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-16 20:00:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-16 20:00:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-16 20:00:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-16 20:00:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 20:00:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 20:00:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-16 20:00:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-16 20:00:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-16 20:00:11,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-16 20:00:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-16 20:00:11,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-16 20:00:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-16 20:00:11,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-16 20:00:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-16 20:00:11,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-16 20:00:11,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-16 20:00:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-16 20:00:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-16 20:00:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-16 20:00:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 20:00:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 20:00:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-16 20:00:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-16 20:00:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-16 20:00:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-16 20:00:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-16 20:00:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-16 20:00:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-16 20:00:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-16 20:00:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-16 20:00:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-16 20:00:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-16 20:00:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-16 20:00:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-16 20:00:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-16 20:00:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-16 20:00:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-16 20:00:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-16 20:00:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 20:00:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 20:00:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-16 20:00:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-16 20:00:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-16 20:00:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-16 20:00:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-16 20:00:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-16 20:00:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-16 20:00:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-16 20:00:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-16 20:00:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-16 20:00:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:00:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-16 20:00:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-16 20:00:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-16 20:00:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-16 20:00:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-16 20:00:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-16 20:00:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 20:00:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 20:00:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-16 20:00:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-16 20:00:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-16 20:00:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-16 20:00:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 20:00:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 20:00:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-16 20:00:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-16 20:00:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 20:00:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 20:00:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-16 20:00:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-16 20:00:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-16 20:00:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-16 20:00:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-16 20:00:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-16 20:00:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-16 20:00:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-16 20:00:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 20:00:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 20:00:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 20:00:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-16 20:00:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-16 20:00:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-16 20:00:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-16 20:00:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 20:00:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 20:00:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 20:00:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 20:00:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 20:00:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-16 20:00:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-16 20:00:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-16 20:00:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-16 20:00:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-16 20:00:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-16 20:00:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-16 20:00:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-16 20:00:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:00:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-16 20:00:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-16 20:00:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 20:00:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 20:00:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-16 20:00:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-16 20:00:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-16 20:00:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-16 20:00:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 20:00:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 20:00:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-16 20:00:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-16 20:00:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-16 20:00:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-16 20:00:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 20:00:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 20:00:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-16 20:00:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-16 20:00:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-16 20:00:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-16 20:00:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-16 20:00:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-16 20:00:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-16 20:00:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-16 20:00:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-16 20:00:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-16 20:00:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 20:00:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 20:00:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-16 20:00:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-16 20:00:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-16 20:00:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-16 20:00:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-16 20:00:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-16 20:00:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-16 20:00:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-16 20:00:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-16 20:00:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 20:00:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 20:00:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:00:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-16 20:00:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-16 20:00:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-16 20:00:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-16 20:00:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-16 20:00:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-16 20:00:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:00:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-16 20:00:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-16 20:00:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-16 20:00:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-16 20:00:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-16 20:00:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-16 20:00:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-16 20:00:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-16 20:00:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:00:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 20:00:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-16 20:00:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-16 20:00:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:00:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 20:00:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 20:00:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 20:00:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-16 20:00:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-16 20:00:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 20:00:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 20:00:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 20:00:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 20:00:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-16 20:00:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-16 20:00:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-16 20:00:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-16 20:00:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 20:00:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 20:00:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 20:00:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 20:00:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-16 20:00:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-16 20:00:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 20:00:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 20:00:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 20:00:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 20:00:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 20:00:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 20:00:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-16 20:00:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-16 20:00:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-16 20:00:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-16 20:00:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 20:00:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 20:00:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-16 20:00:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-16 20:00:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 20:00:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 20:00:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-16 20:00:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-16 20:00:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-16 20:00:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-16 20:00:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 20:00:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 20:00:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 20:00:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 20:00:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-16 20:00:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-16 20:00:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 20:00:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 20:00:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:00:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:00:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-16 20:00:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-16 20:00:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-16 20:00:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-16 20:00:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-16 20:00:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-16 20:00:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-16 20:00:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-16 20:00:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 20:00:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 20:00:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-16 20:00:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-16 20:00:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-16 20:00:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-16 20:00:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-16 20:00:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-16 20:00:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 20:00:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 20:00:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-16 20:00:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-16 20:00:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 20:00:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 20:00:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 20:00:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 20:00:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 20:00:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 20:00:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-16 20:00:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-16 20:00:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 20:00:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 20:00:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-16 20:00:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-16 20:00:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-16 20:00:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-16 20:00:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-16 20:00:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-16 20:00:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-16 20:00:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-16 20:00:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-16 20:00:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-16 20:00:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-16 20:00:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-16 20:00:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-16 20:00:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-16 20:00:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-16 20:00:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-16 20:00:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-16 20:00:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-16 20:00:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 20:00:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 20:00:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-16 20:00:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-16 20:00:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 20:00:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 20:00:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 20:00:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 20:00:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-16 20:00:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-16 20:00:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 20:00:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 20:00:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 20:00:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 20:00:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 20:00:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 20:00:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-16 20:00:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-16 20:00:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 20:00:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 20:00:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 20:00:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 20:00:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 20:00:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 20:00:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 20:00:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 20:00:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-16 20:00:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-16 20:00:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-16 20:00:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-16 20:00:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 20:00:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 20:00:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-16 20:00:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-16 20:00:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-16 20:00:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-16 20:00:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-16 20:00:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-16 20:00:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-16 20:00:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-16 20:00:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 20:00:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 20:00:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:00:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 20:00:11,783 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 20:00:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-16 20:00:11,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-16 20:00:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:00:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-16 20:00:11,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-16 20:00:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-16 20:00:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-16 20:00:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-16 20:00:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-16 20:00:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-16 20:00:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-16 20:00:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-16 20:00:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-16 20:00:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-16 20:00:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-16 20:00:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-16 20:00:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-16 20:00:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-16 20:00:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-16 20:00:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:00:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-16 20:00:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-16 20:00:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-16 20:00:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-16 20:00:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-16 20:00:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-16 20:00:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-16 20:00:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-16 20:00:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 20:00:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 20:00:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-16 20:00:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-16 20:00:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 20:00:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 20:00:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-16 20:00:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-16 20:00:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 20:00:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 20:00:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 20:00:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 20:00:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-16 20:00:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-16 20:00:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 20:00:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 20:00:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 20:00:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 20:00:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 20:00:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 20:00:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-16 20:00:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-16 20:00:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 20:00:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 20:00:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 20:00:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 20:00:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-16 20:00:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-16 20:00:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-16 20:00:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-16 20:00:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-16 20:00:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-16 20:00:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 20:00:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 20:00:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-16 20:00:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-16 20:00:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 20:00:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 20:00:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-16 20:00:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-16 20:00:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 20:00:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 20:00:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-16 20:00:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-16 20:00:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-16 20:00:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-16 20:00:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-16 20:00:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-16 20:00:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 20:00:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 20:00:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 20:00:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 20:00:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-16 20:00:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-16 20:00:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-16 20:00:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-16 20:00:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 20:00:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 20:00:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-16 20:00:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-16 20:00:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-16 20:00:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-16 20:00:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:00:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-16 20:00:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-16 20:00:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-16 20:00:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-16 20:00:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 20:00:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 20:00:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-16 20:00:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-16 20:00:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-16 20:00:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-16 20:00:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 20:00:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 20:00:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 20:00:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 20:00:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 20:00:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 20:00:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-16 20:00:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-16 20:00:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 20:00:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 20:00:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-16 20:00:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-16 20:00:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-16 20:00:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-16 20:00:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-16 20:00:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-16 20:00:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-16 20:00:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-16 20:00:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 20:00:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 20:00:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-16 20:00:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-16 20:00:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-16 20:00:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-16 20:00:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-16 20:00:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-16 20:00:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-16 20:00:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-16 20:00:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-16 20:00:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-16 20:00:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 20:00:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 20:00:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-16 20:00:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-16 20:00:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-16 20:00:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-16 20:00:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-16 20:00:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-16 20:00:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 20:00:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 20:00:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 20:00:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 20:00:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-16 20:00:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-16 20:00:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-16 20:00:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-16 20:00:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-16 20:00:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-16 20:00:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-16 20:00:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-16 20:00:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:00:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-16 20:00:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-16 20:00:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-16 20:00:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-16 20:00:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-16 20:00:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-16 20:00:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-16 20:00:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-16 20:00:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-16 20:00:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-16 20:00:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-16 20:00:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-16 20:00:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-16 20:00:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-16 20:00:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-16 20:00:13,704 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:00:13,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:00:14,502 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 20:00:29,419 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:00:35,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:00:35,212 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 20:00:35,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:00:35 BoogieIcfgContainer [2022-11-16 20:00:35,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:00:35,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:00:35,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:00:35,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:00:35,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:00:01" (1/3) ... [2022-11-16 20:00:35,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ac632d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:35, skipping insertion in model container [2022-11-16 20:00:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:10" (2/3) ... [2022-11-16 20:00:35,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ac632d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:35, skipping insertion in model container [2022-11-16 20:00:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:00:35" (3/3) ... [2022-11-16 20:00:35,233 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 20:00:35,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:00:35,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:00:35,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:00:35,594 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;@2e197ece, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:00:35,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:00:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-16 20:00:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 20:00:35,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:00:35,640 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 20:00:35,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:00:35,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:00:35,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1485674962, now seen corresponding path program 1 times [2022-11-16 20:00:35,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:00:35,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783442687] [2022-11-16 20:00:35,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:00:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:00:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:00:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 20:00:36,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:00:36,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783442687] [2022-11-16 20:00:36,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783442687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:00:36,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:00:36,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:00:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001677252] [2022-11-16 20:00:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:00:36,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:00:36,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:00:37,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:00:37,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:00:37,035 INFO L87 Difference]: Start difference. First operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:00:45,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:00:45,882 INFO L93 Difference]: Finished difference Result 10653 states and 15903 transitions. [2022-11-16 20:00:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:00:45,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 20:00:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:00:45,990 INFO L225 Difference]: With dead ends: 10653 [2022-11-16 20:00:45,990 INFO L226 Difference]: Without dead ends: 7050 [2022-11-16 20:00:46,037 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 [2022-11-16 20:00:46,043 INFO L413 NwaCegarLoop]: 5932 mSDtfsCounter, 5101 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 10641 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:00:46,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 10641 Invalid, 964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-16 20:00:46,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7050 states. [2022-11-16 20:00:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7050 to 7050. [2022-11-16 20:00:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 4119 states have (on average 1.298373391599903) internal successors, (5348), 4303 states have internal predecessors, (5348), 2444 states have call successors, (2444), 487 states have call predecessors, (2444), 486 states have return successors, (2443), 2389 states have call predecessors, (2443), 2443 states have call successors, (2443) [2022-11-16 20:00:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 10235 transitions. [2022-11-16 20:00:46,620 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 10235 transitions. Word has length 32 [2022-11-16 20:00:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:00:46,621 INFO L495 AbstractCegarLoop]: Abstraction has 7050 states and 10235 transitions. [2022-11-16 20:00:46,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:00:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 10235 transitions. [2022-11-16 20:00:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 20:00:46,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:00:46,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:00:46,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:00:46,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:00:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:00:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1534645740, now seen corresponding path program 1 times [2022-11-16 20:00:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:00:46,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229739823] [2022-11-16 20:00:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:00:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:00:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:00:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 20:00:47,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:00:47,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229739823] [2022-11-16 20:00:47,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229739823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:00:47,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:00:47,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 20:00:47,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349002934] [2022-11-16 20:00:47,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:00:47,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:00:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:00:47,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:00:47,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:00:47,802 INFO L87 Difference]: Start difference. First operand 7050 states and 10235 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 20:00:50,695 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 [] [2022-11-16 20:00:59,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:00:59,967 INFO L93 Difference]: Finished difference Result 14045 states and 20783 transitions. [2022-11-16 20:00:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:00:59,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-11-16 20:00:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:01:00,107 INFO L225 Difference]: With dead ends: 14045 [2022-11-16 20:01:00,107 INFO L226 Difference]: Without dead ends: 14040 [2022-11-16 20:01:00,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:01:00,126 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 5089 mSDsluCounter, 11230 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5092 SdHoareTripleChecker+Valid, 17586 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:01:00,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5092 Valid, 17586 Invalid, 1538 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1536 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-11-16 20:01:00,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14040 states. [2022-11-16 20:01:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14040 to 14032. [2022-11-16 20:01:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14032 states, 8196 states have (on average 1.2979502196193264) internal successors, (10638), 8560 states have internal predecessors, (10638), 4863 states have call successors, (4863), 973 states have call predecessors, (4863), 972 states have return successors, (5266), 4756 states have call predecessors, (5266), 4862 states have call successors, (5266) [2022-11-16 20:01:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14032 states to 14032 states and 20767 transitions. [2022-11-16 20:01:01,359 INFO L78 Accepts]: Start accepts. Automaton has 14032 states and 20767 transitions. Word has length 40 [2022-11-16 20:01:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:01:01,360 INFO L495 AbstractCegarLoop]: Abstraction has 14032 states and 20767 transitions. [2022-11-16 20:01:01,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 20:01:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14032 states and 20767 transitions. [2022-11-16 20:01:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 20:01:01,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:01:01,383 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-16 20:01:01,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:01:01,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:01:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:01:01,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2116305926, now seen corresponding path program 1 times [2022-11-16 20:01:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:01:01,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408159751] [2022-11-16 20:01:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:01:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:01:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:01:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 20:01:02,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:01:02,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408159751] [2022-11-16 20:01:02,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408159751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:01:02,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:01:02,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:01:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882411381] [2022-11-16 20:01:02,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:01:02,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:01:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:01:02,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:01:02,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:01:02,394 INFO L87 Difference]: Start difference. First operand 14032 states and 20767 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 20:01:04,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:01:08,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:01:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:01:11,839 INFO L93 Difference]: Finished difference Result 41826 states and 61887 transitions. [2022-11-16 20:01:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:01:11,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 132 [2022-11-16 20:01:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:01:12,092 INFO L225 Difference]: With dead ends: 41826 [2022-11-16 20:01:12,093 INFO L226 Difference]: Without dead ends: 27799 [2022-11-16 20:01:12,220 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 [2022-11-16 20:01:12,224 INFO L413 NwaCegarLoop]: 5883 mSDtfsCounter, 5023 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 10553 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:01:12,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5023 Valid, 10553 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-16 20:01:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27799 states. [2022-11-16 20:01:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27799 to 27792. [2022-11-16 20:01:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27792 states, 16230 states have (on average 1.2987060998151572) internal successors, (21078), 16960 states have internal predecessors, (21078), 9617 states have call successors, (9617), 1945 states have call predecessors, (9617), 1944 states have return successors, (10422), 9402 states have call predecessors, (10422), 9616 states have call successors, (10422) [2022-11-16 20:01:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27792 states to 27792 states and 41117 transitions. [2022-11-16 20:01:14,619 INFO L78 Accepts]: Start accepts. Automaton has 27792 states and 41117 transitions. Word has length 132 [2022-11-16 20:01:14,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:01:14,622 INFO L495 AbstractCegarLoop]: Abstraction has 27792 states and 41117 transitions. [2022-11-16 20:01:14,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 20:01:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27792 states and 41117 transitions. [2022-11-16 20:01:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-16 20:01:14,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:01:14,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-16 20:01:14,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:01:14,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:01:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:01:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash -199754174, now seen corresponding path program 1 times [2022-11-16 20:01:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:01:14,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160105086] [2022-11-16 20:01:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:01:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:01:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:01:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 20:01:15,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:01:15,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160105086] [2022-11-16 20:01:15,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160105086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:01:15,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:01:15,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:01:15,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893674500] [2022-11-16 20:01:15,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:01:15,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:01:15,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:01:15,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:01:15,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:01:15,708 INFO L87 Difference]: Start difference. First operand 27792 states and 41117 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 20:01:17,645 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 [] [2022-11-16 20:01:24,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:01:24,646 INFO L93 Difference]: Finished difference Result 82884 states and 122625 transitions. [2022-11-16 20:01:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:01:24,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-16 20:01:24,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:01:25,264 INFO L225 Difference]: With dead ends: 82884 [2022-11-16 20:01:25,264 INFO L226 Difference]: Without dead ends: 55097 [2022-11-16 20:01:25,406 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 [2022-11-16 20:01:25,410 INFO L413 NwaCegarLoop]: 6014 mSDtfsCounter, 5016 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 10683 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:01:25,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 10683 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-16 20:01:25,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55097 states. [2022-11-16 20:01:28,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55097 to 55088. [2022-11-16 20:01:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55088 states, 32146 states have (on average 1.2986374665588254) internal successors, (41746), 33608 states have internal predecessors, (41746), 19085 states have call successors, (19085), 3857 states have call predecessors, (19085), 3856 states have return successors, (20668), 18654 states have call predecessors, (20668), 19084 states have call successors, (20668) [2022-11-16 20:01:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55088 states to 55088 states and 81499 transitions. [2022-11-16 20:01:29,081 INFO L78 Accepts]: Start accepts. Automaton has 55088 states and 81499 transitions. Word has length 133 [2022-11-16 20:01:29,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:01:29,082 INFO L495 AbstractCegarLoop]: Abstraction has 55088 states and 81499 transitions. [2022-11-16 20:01:29,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 20:01:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 55088 states and 81499 transitions. [2022-11-16 20:01:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-16 20:01:29,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:01:29,094 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-16 20:01:29,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 20:01:29,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:01:29,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:01:29,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2015683625, now seen corresponding path program 1 times [2022-11-16 20:01:29,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:01:29,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139616871] [2022-11-16 20:01:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:01:29,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:01:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:01:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 20:01:29,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:01:29,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139616871] [2022-11-16 20:01:29,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139616871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:01:29,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:01:29,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:01:29,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798676547] [2022-11-16 20:01:29,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:01:29,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:01:29,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:01:29,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:01:29,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:01:29,986 INFO L87 Difference]: Start difference. First operand 55088 states and 81499 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 20:01:31,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:01:35,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:01:42,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:01:42,300 INFO L93 Difference]: Finished difference Result 164506 states and 243321 transitions. [2022-11-16 20:01:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:01:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2022-11-16 20:01:42,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:01:43,139 INFO L225 Difference]: With dead ends: 164506 [2022-11-16 20:01:43,140 INFO L226 Difference]: Without dead ends: 109423 [2022-11-16 20:01:43,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:01:43,382 INFO L413 NwaCegarLoop]: 6614 mSDtfsCounter, 5047 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 11284 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:01:43,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5047 Valid, 11284 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-16 20:01:43,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109423 states. [2022-11-16 20:01:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109423 to 109416. [2022-11-16 20:01:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109416 states, 63814 states have (on average 1.2986178581502492) internal successors, (82870), 66740 states have internal predecessors, (82870), 37889 states have call successors, (37889), 7713 states have call predecessors, (37889), 7712 states have return successors, (41048), 37026 states have call predecessors, (41048), 37888 states have call successors, (41048) [2022-11-16 20:01:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109416 states to 109416 states and 161807 transitions. [2022-11-16 20:01:50,052 INFO L78 Accepts]: Start accepts. Automaton has 109416 states and 161807 transitions. Word has length 129 [2022-11-16 20:01:50,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:01:50,053 INFO L495 AbstractCegarLoop]: Abstraction has 109416 states and 161807 transitions. [2022-11-16 20:01:50,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 20:01:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 109416 states and 161807 transitions. [2022-11-16 20:01:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 20:01:50,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:01:50,067 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-16 20:01:50,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:01:50,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:01:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:01:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash 892596700, now seen corresponding path program 1 times [2022-11-16 20:01:50,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:01:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159351947] [2022-11-16 20:01:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:01:50,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:01:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:01:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 20:01:50,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:01:50,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159351947] [2022-11-16 20:01:50,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159351947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:01:50,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:01:50,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:01:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170314986] [2022-11-16 20:01:50,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:01:50,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:01:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:01:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:01:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:01:50,683 INFO L87 Difference]: Start difference. First operand 109416 states and 161807 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 20:01:53,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:01:57,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []