./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:40:07,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:40:07,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:40:07,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:40:07,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:40:07,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:40:07,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:40:07,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:40:07,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:40:07,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:40:07,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:40:07,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:40:07,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:40:07,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:40:07,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:40:07,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:40:07,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:40:07,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:40:07,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:40:07,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:40:07,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:40:07,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:40:07,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:40:07,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:40:07,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:40:07,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:40:07,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:40:07,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:40:07,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:40:07,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:40:07,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:40:07,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:40:07,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:40:07,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:40:07,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:40:07,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:40:07,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:40:07,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:40:07,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:40:07,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:40:07,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:40:07,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:40:07,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:40:07,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:40:07,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:40:07,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:40:07,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:40:07,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:40:07,625 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:40:07,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:40:07,626 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:40:07,626 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:40:07,627 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:40:07,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:40:07,627 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:40:07,628 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:40:07,628 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:40:07,628 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:40:07,628 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:40:07,628 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:40:07,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:40:07,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:40:07,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:40:07,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:40:07,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:40:07,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:40:07,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:40:07,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:40:07,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:40:07,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:40:07,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:40:07,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:07,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:40:07,632 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:40:07,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:40:07,634 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_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 [2022-11-22 01:40:07,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:40:07,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:40:07,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:40:07,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:40:07,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:40:07,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-22 01:40:10,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:40:11,787 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:40:11,788 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-22 01:40:11,859 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/data/3bed01ed6/9ceaa620b8b640729fb312ab2aa15a33/FLAGa55cb05d6 [2022-11-22 01:40:11,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/data/3bed01ed6/9ceaa620b8b640729fb312ab2aa15a33 [2022-11-22 01:40:11,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:40:11,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:40:11,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:11,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:40:11,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:40:11,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b73dbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11, skipping insertion in model container [2022-11-22 01:40:11,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:40:12,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:40:18,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-22 01:40:18,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:18,671 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:40:19,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-22 01:40:19,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:19,912 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:40:19,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19 WrapperNode [2022-11-22 01:40:19,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:19,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:19,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:40:19,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:40:19,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,353 INFO L138 Inliner]: procedures = 720, calls = 7917, calls flagged for inlining = 365, calls inlined = 99, statements flattened = 7451 [2022-11-22 01:40:20,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:20,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:40:20,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:40:20,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:40:20,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:40:20,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:40:20,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:40:20,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:40:20,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (1/1) ... [2022-11-22 01:40:20,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:40:20,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:40:20,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65dae099-3a88-4b10-8f50-721cc111b3b8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:40:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-11-22 01:40:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-11-22 01:40:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-11-22 01:40:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-11-22 01:40:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_excluded [2022-11-22 01:40:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_excluded [2022-11-22 01:40:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-11-22 01:40:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-11-22 01:40:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-22 01:40:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-22 01:40:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 01:40:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 01:40:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-22 01:40:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-22 01:40:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:40:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-11-22 01:40:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-11-22 01:40:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2022-11-22 01:40:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2022-11-22 01:40:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:40:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:40:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 01:40:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 01:40:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:40:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2022-11-22 01:40:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2022-11-22 01:40:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2022-11-22 01:40:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2022-11-22 01:40:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:40:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:40:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 01:40:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 01:40:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2022-11-22 01:40:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2022-11-22 01:40:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:40:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-22 01:40:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-22 01:40:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:40:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:40:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:40:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2022-11-22 01:40:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2022-11-22 01:40:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-22 01:40:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-22 01:40:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:40:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2022-11-22 01:40:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2022-11-22 01:40:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:40:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:40:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-11-22 01:40:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-11-22 01:40:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-11-22 01:40:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-11-22 01:40:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:40:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:40:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-11-22 01:40:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-11-22 01:40:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-11-22 01:40:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-11-22 01:40:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2022-11-22 01:40:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2022-11-22 01:40:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:40:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:40:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:40:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:40:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 01:40:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 01:40:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2022-11-22 01:40:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2022-11-22 01:40:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2022-11-22 01:40:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2022-11-22 01:40:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:40:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:40:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2022-11-22 01:40:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2022-11-22 01:40:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2022-11-22 01:40:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2022-11-22 01:40:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2022-11-22 01:40:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2022-11-22 01:40:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2022-11-22 01:40:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2022-11-22 01:40:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-22 01:40:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-22 01:40:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2022-11-22 01:40:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2022-11-22 01:40:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2022-11-22 01:40:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2022-11-22 01:40:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-11-22 01:40:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-11-22 01:40:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:40:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:40:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 01:40:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 01:40:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2022-11-22 01:40:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2022-11-22 01:40:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-22 01:40:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-22 01:40:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:40:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:40:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2022-11-22 01:40:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2022-11-22 01:40:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:40:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2022-11-22 01:40:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2022-11-22 01:40:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:40:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2022-11-22 01:40:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2022-11-22 01:40:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-22 01:40:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-22 01:40:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:40:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:40:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2022-11-22 01:40:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2022-11-22 01:40:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2022-11-22 01:40:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2022-11-22 01:40:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:40:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:40:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:40:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:40:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2022-11-22 01:40:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2022-11-22 01:40:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2022-11-22 01:40:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2022-11-22 01:40:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 01:40:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 01:40:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:40:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:40:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:40:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:40:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2022-11-22 01:40:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2022-11-22 01:40:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2022-11-22 01:40:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2022-11-22 01:40:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:40:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:40:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2022-11-22 01:40:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2022-11-22 01:40:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-22 01:40:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-22 01:40:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:40:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:40:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:40:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:40:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2022-11-22 01:40:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2022-11-22 01:40:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO___0 [2022-11-22 01:40:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO___0 [2022-11-22 01:40:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-22 01:40:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-22 01:40:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-22 01:40:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-22 01:40:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:40:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc___0 [2022-11-22 01:40:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc___0 [2022-11-22 01:40:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-11-22 01:40:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-11-22 01:40:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:40:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:40:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-22 01:40:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-22 01:40:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2022-11-22 01:40:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2022-11-22 01:40:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2022-11-22 01:40:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2022-11-22 01:40:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2022-11-22 01:40:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2022-11-22 01:40:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2022-11-22 01:40:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2022-11-22 01:40:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 01:40:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 01:40:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-11-22 01:40:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-11-22 01:40:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:40:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:40:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2022-11-22 01:40:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2022-11-22 01:40:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:40:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:40:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:40:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-22 01:40:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-22 01:40:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:40:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:40:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2022-11-22 01:40:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2022-11-22 01:40:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 01:40:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 01:40:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-11-22 01:40:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-11-22 01:40:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-11-22 01:40:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-11-22 01:40:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 01:40:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 01:40:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:40:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:40:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 01:40:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 01:40:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2022-11-22 01:40:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2022-11-22 01:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_supported [2022-11-22 01:40:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_supported [2022-11-22 01:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-22 01:40:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-22 01:40:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:40:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:40:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2022-11-22 01:40:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2022-11-22 01:40:21,766 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:40:21,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:53:15,947 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:53:21,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:53:21,053 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:53:21,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:21 BoogieIcfgContainer [2022-11-22 01:53:21,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:53:21,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:53:21,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:53:21,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:53:21,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:40:11" (1/3) ... [2022-11-22 01:53:21,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1f33e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:21, skipping insertion in model container [2022-11-22 01:53:21,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:19" (2/3) ... [2022-11-22 01:53:21,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1f33e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:21, skipping insertion in model container [2022-11-22 01:53:21,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:21" (3/3) ... [2022-11-22 01:53:21,070 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-22 01:53:21,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:53:21,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:53:21,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:53:21,181 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;@6bd26b89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:53:21,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:53:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 1280 states, 804 states have (on average 1.3258706467661692) internal successors, (1066), 819 states have internal predecessors, (1066), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) [2022-11-22 01:53:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:53:21,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:21,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:21,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:21,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:21,209 INFO L85 PathProgramCache]: Analyzing trace with hash -213570707, now seen corresponding path program 1 times [2022-11-22 01:53:21,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:21,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059436927] [2022-11-22 01:53:21,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:23,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:53:23,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:23,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059436927] [2022-11-22 01:53:23,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059436927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:23,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:23,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:23,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947961343] [2022-11-22 01:53:23,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:23,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:23,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:23,170 INFO L87 Difference]: Start difference. First operand has 1280 states, 804 states have (on average 1.3258706467661692) internal successors, (1066), 819 states have internal predecessors, (1066), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:53:25,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:27,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:32,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:34,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:36,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:38,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:40,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:40,664 INFO L93 Difference]: Finished difference Result 2793 states and 3958 transitions. [2022-11-22 01:53:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:40,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-22 01:53:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:40,702 INFO L225 Difference]: With dead ends: 2793 [2022-11-22 01:53:40,702 INFO L226 Difference]: Without dead ends: 1510 [2022-11-22 01:53:40,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:40,720 INFO L413 NwaCegarLoop]: 1690 mSDtfsCounter, 1728 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:40,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 1977 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 6 Unknown, 0 Unchecked, 17.2s Time] [2022-11-22 01:53:40,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-11-22 01:53:40,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1506. [2022-11-22 01:53:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 939 states have (on average 1.3109691160809371) internal successors, (1231), 957 states have internal predecessors, (1231), 434 states have call successors, (434), 134 states have call predecessors, (434), 132 states have return successors, (430), 423 states have call predecessors, (430), 428 states have call successors, (430) [2022-11-22 01:53:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2095 transitions. [2022-11-22 01:53:40,904 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 2095 transitions. Word has length 10 [2022-11-22 01:53:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:40,905 INFO L495 AbstractCegarLoop]: Abstraction has 1506 states and 2095 transitions. [2022-11-22 01:53:40,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:53:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2095 transitions. [2022-11-22 01:53:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:53:40,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:40,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:40,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:53:40,907 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1967061667, now seen corresponding path program 1 times [2022-11-22 01:53:40,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:40,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610891851] [2022-11-22 01:53:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:53:41,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:41,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610891851] [2022-11-22 01:53:41,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610891851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:41,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:41,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:41,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635209919] [2022-11-22 01:53:41,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:41,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:41,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:41,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:41,900 INFO L87 Difference]: Start difference. First operand 1506 states and 2095 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:53:44,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:46,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:48,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:51,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:53,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:55,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:57,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:59,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:59,633 INFO L93 Difference]: Finished difference Result 1512 states and 2100 transitions. [2022-11-22 01:53:59,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:59,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-22 01:53:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:59,646 INFO L225 Difference]: With dead ends: 1512 [2022-11-22 01:53:59,647 INFO L226 Difference]: Without dead ends: 1509 [2022-11-22 01:53:59,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:59,650 INFO L413 NwaCegarLoop]: 1681 mSDtfsCounter, 1717 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:59,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1966 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 6 Unknown, 0 Unchecked, 17.6s Time] [2022-11-22 01:53:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2022-11-22 01:53:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1505. [2022-11-22 01:53:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 939 states have (on average 1.3099041533546325) internal successors, (1230), 956 states have internal predecessors, (1230), 433 states have call successors, (433), 134 states have call predecessors, (433), 132 states have return successors, (430), 423 states have call predecessors, (430), 428 states have call successors, (430) [2022-11-22 01:53:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2093 transitions. [2022-11-22 01:53:59,748 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2093 transitions. Word has length 11 [2022-11-22 01:53:59,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:59,748 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 2093 transitions. [2022-11-22 01:53:59,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:53:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2093 transitions. [2022-11-22 01:53:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:53:59,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:59,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:59,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:53:59,750 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:59,751 INFO L85 PathProgramCache]: Analyzing trace with hash 847193392, now seen corresponding path program 1 times [2022-11-22 01:53:59,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:59,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40853711] [2022-11-22 01:53:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:59,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:54:00,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:00,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40853711] [2022-11-22 01:54:00,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40853711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:00,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:00,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:00,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269835355] [2022-11-22 01:54:00,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:00,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:00,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:00,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:00,635 INFO L87 Difference]: Start difference. First operand 1505 states and 2093 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:54:02,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:05,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:06,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:11,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:13,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:15,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:17,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:19,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:20,472 INFO L93 Difference]: Finished difference Result 2617 states and 3679 transitions. [2022-11-22 01:54:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:20,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-22 01:54:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:20,492 INFO L225 Difference]: With dead ends: 2617 [2022-11-22 01:54:20,493 INFO L226 Difference]: Without dead ends: 2613 [2022-11-22 01:54:20,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:20,503 INFO L413 NwaCegarLoop]: 1985 mSDtfsCounter, 1555 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:20,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 3558 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 436 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2022-11-22 01:54:20,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2022-11-22 01:54:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2606. [2022-11-22 01:54:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2606 states, 1629 states have (on average 1.3130755064456723) internal successors, (2139), 1657 states have internal predecessors, (2139), 763 states have call successors, (763), 217 states have call predecessors, (763), 213 states have return successors, (766), 746 states have call predecessors, (766), 757 states have call successors, (766) [2022-11-22 01:54:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3668 transitions. [2022-11-22 01:54:20,801 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3668 transitions. Word has length 12 [2022-11-22 01:54:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:20,802 INFO L495 AbstractCegarLoop]: Abstraction has 2606 states and 3668 transitions. [2022-11-22 01:54:20,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:54:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3668 transitions. [2022-11-22 01:54:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:54:20,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:20,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:20,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:54:20,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:20,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash 491020102, now seen corresponding path program 1 times [2022-11-22 01:54:20,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:20,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291957431] [2022-11-22 01:54:20,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:54:21,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:21,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291957431] [2022-11-22 01:54:21,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291957431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:21,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:21,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8663495] [2022-11-22 01:54:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:21,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:21,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:21,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:21,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:21,704 INFO L87 Difference]: Start difference. First operand 2606 states and 3668 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:54:23,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:26,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:30,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:33,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:35,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:37,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:38,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:39,035 INFO L93 Difference]: Finished difference Result 2612 states and 3673 transitions. [2022-11-22 01:54:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:39,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-22 01:54:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:39,054 INFO L225 Difference]: With dead ends: 2612 [2022-11-22 01:54:39,054 INFO L226 Difference]: Without dead ends: 2604 [2022-11-22 01:54:39,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:39,058 INFO L413 NwaCegarLoop]: 1680 mSDtfsCounter, 1713 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:39,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 1965 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 270 Invalid, 6 Unknown, 0 Unchecked, 17.2s Time] [2022-11-22 01:54:39,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2022-11-22 01:54:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2600. [2022-11-22 01:54:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2600 states, 1625 states have (on average 1.3126153846153845) internal successors, (2133), 1652 states have internal predecessors, (2133), 761 states have call successors, (761), 216 states have call predecessors, (761), 213 states have return successors, (766), 746 states have call predecessors, (766), 757 states have call successors, (766) [2022-11-22 01:54:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3660 transitions. [2022-11-22 01:54:39,216 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3660 transitions. Word has length 13 [2022-11-22 01:54:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:39,216 INFO L495 AbstractCegarLoop]: Abstraction has 2600 states and 3660 transitions. [2022-11-22 01:54:39,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:54:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3660 transitions. [2022-11-22 01:54:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 01:54:39,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:39,228 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:54:39,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:54:39,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:39,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1640802856, now seen corresponding path program 1 times [2022-11-22 01:54:39,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:39,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521624095] [2022-11-22 01:54:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:54:42,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:42,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521624095] [2022-11-22 01:54:42,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521624095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:42,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:42,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:54:42,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003685300] [2022-11-22 01:54:42,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:42,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:54:42,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:42,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:54:42,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:54:42,802 INFO L87 Difference]: Start difference. First operand 2600 states and 3660 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:54:45,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:47,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:57,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:59,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:01,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:03,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:05,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:55:05,888 INFO L93 Difference]: Finished difference Result 2734 states and 3831 transitions. [2022-11-22 01:55:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:55:05,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 84 [2022-11-22 01:55:05,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:55:05,906 INFO L225 Difference]: With dead ends: 2734 [2022-11-22 01:55:05,906 INFO L226 Difference]: Without dead ends: 2731 [2022-11-22 01:55:05,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:55:05,910 INFO L413 NwaCegarLoop]: 1698 mSDtfsCounter, 499 mSDsluCounter, 4675 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 210 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 6373 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:55:05,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 6373 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 894 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2022-11-22 01:55:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2022-11-22 01:55:06,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2727. [2022-11-22 01:55:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2727 states, 1705 states have (on average 1.3114369501466276) internal successors, (2236), 1734 states have internal predecessors, (2236), 791 states have call successors, (791), 234 states have call predecessors, (791), 230 states have return successors, (797), 773 states have call predecessors, (797), 787 states have call successors, (797) [2022-11-22 01:55:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 3824 transitions. [2022-11-22 01:55:06,074 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 3824 transitions. Word has length 84 [2022-11-22 01:55:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:55:06,076 INFO L495 AbstractCegarLoop]: Abstraction has 2727 states and 3824 transitions. [2022-11-22 01:55:06,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:55:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3824 transitions. [2022-11-22 01:55:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:55:06,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:06,085 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:55:06,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:55:06,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:06,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:06,086 INFO L85 PathProgramCache]: Analyzing trace with hash 85113900, now seen corresponding path program 1 times [2022-11-22 01:55:06,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:55:06,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403283646] [2022-11-22 01:55:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:06,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms