./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:47:06,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:47:06,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:47:06,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:47:06,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:47:06,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:47:06,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:47:06,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:47:06,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:47:06,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:47:06,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:47:06,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:47:06,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:47:06,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:47:06,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:47:06,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:47:06,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:47:06,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:47:06,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:47:06,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:47:06,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:47:06,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:47:06,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:47:06,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:47:06,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:47:06,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:47:06,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:47:06,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:47:06,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:47:06,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:47:06,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:47:06,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:47:06,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:47:06,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:47:06,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:47:06,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:47:06,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:47:06,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:47:06,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:47:06,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:47:06,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:47:06,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:47:06,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:47:06,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:47:06,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:47:06,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:47:06,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:47:06,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:47:06,838 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:47:06,838 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:47:06,839 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:47:06,839 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:47:06,840 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:47:06,840 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:47:06,841 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:47:06,841 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:47:06,841 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:47:06,841 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:47:06,841 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:47:06,842 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:47:06,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:47:06,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:47:06,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:47:06,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:47:06,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:47:06,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:47:06,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:47:06,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:47:06,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:47:06,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:47:06,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:47:06,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:06,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:47:06,846 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:47:06,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:47:06,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:47:06,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:47:06,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:47:06,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:47:06,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:47:06,847 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_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a6de28a995e8bec501f9dc0dae1900e799afc4f65a76b4a34e69e1daf6b51e [2022-11-03 02:47:07,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:47:07,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:47:07,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:47:07,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:47:07,183 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:47:07,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-03 02:47:07,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/data/71ecca7ef/f3f73bc9a3204f6d881b94c6993e41b9/FLAGa42de99cf [2022-11-03 02:47:08,695 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:47:08,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-03 02:47:08,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/data/71ecca7ef/f3f73bc9a3204f6d881b94c6993e41b9/FLAGa42de99cf [2022-11-03 02:47:09,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/data/71ecca7ef/f3f73bc9a3204f6d881b94c6993e41b9 [2022-11-03 02:47:09,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:47:09,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:47:09,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:09,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:47:09,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:47:09,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:09" (1/1) ... [2022-11-03 02:47:09,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e02d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:09, skipping insertion in model container [2022-11-03 02:47:09,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:09" (1/1) ... [2022-11-03 02:47:09,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:47:09,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:47:19,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-03 02:47:19,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:19,235 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:47:20,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[841290,841303] [2022-11-03 02:47:20,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:47:20,830 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:47:20,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20 WrapperNode [2022-11-03 02:47:20,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:20,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:20,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:47:20,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:47:20,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:21,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:21,797 INFO L138 Inliner]: procedures = 715, calls = 14301, calls flagged for inlining = 321, calls inlined = 272, statements flattened = 26101 [2022-11-03 02:47:21,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:47:21,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:47:21,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:47:21,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:47:21,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:21,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:22,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:22,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:22,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:23,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:23,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:23,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:23,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:47:23,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:47:23,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:47:23,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:47:23,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (1/1) ... [2022-11-03 02:47:23,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:23,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:47:23,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b9a978-09b6-4047-bd4f-b7db6f5eaa84/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:47:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:47:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:47:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-03 02:47:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-03 02:47:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:47:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:47:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-03 02:47:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-03 02:47:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-03 02:47:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-03 02:47:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 02:47:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 02:47:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:47:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:47:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2022-11-03 02:47:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2022-11-03 02:47:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-03 02:47:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-03 02:47:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:47:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:47:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:47:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:47:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 02:47:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 02:47:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-03 02:47:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-03 02:47:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:47:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:47:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:47:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:47:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-03 02:47:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-03 02:47:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-03 02:47:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-03 02:47:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-03 02:47:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-03 02:47:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:47:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:47:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 02:47:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 02:47:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:47:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:47:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-03 02:47:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-03 02:47:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-03 02:47:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-03 02:47:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:47:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:47:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-03 02:47:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-03 02:47:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:47:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:47:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:47:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:47:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-03 02:47:23,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-03 02:47:23,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-03 02:47:23,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-03 02:47:23,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:47:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:47:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-03 02:47:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-03 02:47:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-03 02:47:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-03 02:47:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 02:47:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 02:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-03 02:47:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-03 02:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2022-11-03 02:47:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2022-11-03 02:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-03 02:47:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-03 02:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:47:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:47:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:47:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:47:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:47:23,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:47:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:47:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:47:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:47:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:47:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:47:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:47:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:47:23,695 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:47:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-03 02:47:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-03 02:47:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-03 02:47:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-03 02:47:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-03 02:47:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-03 02:47:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-03 02:47:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-03 02:47:23,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:47:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:47:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:47:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:47:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-03 02:47:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-03 02:47:23,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-03 02:47:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-03 02:47:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-03 02:47:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-03 02:47:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-03 02:47:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-03 02:47:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:47:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:47:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:47:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:47:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-03 02:47:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-03 02:47:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-03 02:47:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-03 02:47:23,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:47:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 02:47:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 02:47:23,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-03 02:47:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-03 02:47:23,712 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-03 02:47:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-03 02:47:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-03 02:47:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-03 02:47:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:47:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:47:23,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-03 02:47:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-03 02:47:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:47:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 02:47:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 02:47:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-03 02:47:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-03 02:47:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-03 02:47:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-03 02:47:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:47:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:47:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-03 02:47:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-03 02:47:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-03 02:47:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-03 02:47:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-03 02:47:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-03 02:47:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-03 02:47:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-03 02:47:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:47:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:47:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-03 02:47:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-03 02:47:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:47:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:47:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-03 02:47:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-03 02:47:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-03 02:47:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-03 02:47:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 02:47:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 02:47:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:47:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:47:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-03 02:47:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-03 02:47:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-03 02:47:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-03 02:47:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2022-11-03 02:47:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2022-11-03 02:47:23,718 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 02:47:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 02:47:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-03 02:47:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-03 02:47:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-03 02:47:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-03 02:47:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:47:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:47:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2022-11-03 02:47:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2022-11-03 02:47:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-03 02:47:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 02:47:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:47:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:47:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:47:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:47:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-03 02:47:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-03 02:47:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:47:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:47:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:47:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:47:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2022-11-03 02:47:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2022-11-03 02:47:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-03 02:47:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-03 02:47:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 02:47:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 02:47:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-03 02:47:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-03 02:47:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-03 02:47:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-03 02:47:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:47:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:47:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-03 02:47:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-03 02:47:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-03 02:47:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-03 02:47:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-03 02:47:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-03 02:47:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:47:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:47:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:47:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:47:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:47:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:47:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-03 02:47:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-03 02:47:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:47:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:47:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-03 02:47:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-03 02:47:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-03 02:47:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-03 02:47:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-03 02:47:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-03 02:47:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-03 02:47:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-03 02:47:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 02:47:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 02:47:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:47:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:47:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-03 02:47:23,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-03 02:47:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 02:47:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 02:47:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-03 02:47:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-03 02:47:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:47:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:47:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:47:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:47:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-03 02:47:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-03 02:47:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-03 02:47:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-03 02:47:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-03 02:47:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-03 02:47:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:47:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:47:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:47:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:47:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-03 02:47:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-03 02:47:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:47:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:47:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 02:47:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 02:47:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-03 02:47:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-03 02:47:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-03 02:47:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-03 02:47:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:47:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:47:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-03 02:47:23,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:47:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:47:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:47:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:47:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2022-11-03 02:47:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2022-11-03 02:47:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2022-11-03 02:47:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2022-11-03 02:47:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:47:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:47:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-03 02:47:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-03 02:47:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:47:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:47:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:47:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:47:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:47:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:47:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:47:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:47:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:47:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2022-11-03 02:47:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2022-11-03 02:47:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:47:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:47:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:47:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:47:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-03 02:47:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-03 02:47:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:47:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:47:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:47:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:47:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-03 02:47:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-03 02:47:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:47:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:47:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-03 02:47:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-03 02:47:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:47:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:47:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-03 02:47:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-03 02:47:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-03 02:47:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-03 02:47:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:47:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:47:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-03 02:47:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-03 02:47:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:47:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:47:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-03 02:47:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-03 02:47:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-03 02:47:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-03 02:47:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 02:47:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 02:47:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:47:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:47:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:47:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:47:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:47:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:47:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:47:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-03 02:47:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:47:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 02:47:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 02:47:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2022-11-03 02:47:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2022-11-03 02:47:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:47:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:47:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2022-11-03 02:47:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2022-11-03 02:47:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 02:47:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:47:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-03 02:47:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-03 02:47:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-03 02:47:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:47:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-03 02:47:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-03 02:47:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2022-11-03 02:47:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2022-11-03 02:47:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-03 02:47:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-03 02:47:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-03 02:47:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-03 02:47:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-03 02:47:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-03 02:47:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 02:47:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 02:47:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:47:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:47:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-03 02:47:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-03 02:47:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-03 02:47:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-03 02:47:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:47:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:47:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:47:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:47:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-03 02:47:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-03 02:47:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-03 02:47:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-03 02:47:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:47:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:47:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-03 02:47:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-03 02:47:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-03 02:47:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-03 02:47:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-03 02:47:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-03 02:47:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 02:47:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 02:47:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_45 [2022-11-03 02:47:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_45 [2022-11-03 02:47:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-03 02:47:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-03 02:47:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-03 02:47:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-03 02:47:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-03 02:47:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-03 02:47:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:47:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:47:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 02:47:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 02:47:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:47:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:47:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-03 02:47:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-03 02:47:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 02:47:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 02:47:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-03 02:47:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-03 02:47:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-03 02:47:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-03 02:47:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-03 02:47:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-03 02:47:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:47:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:47:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:47:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:47:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-03 02:47:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-03 02:47:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:47:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:47:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:47:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-03 02:47:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-03 02:47:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:47:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2022-11-03 02:47:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2022-11-03 02:47:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2022-11-03 02:47:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2022-11-03 02:47:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-03 02:47:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-03 02:47:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-03 02:47:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-03 02:47:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:47:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:47:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-03 02:47:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-03 02:47:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-03 02:47:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-03 02:47:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-03 02:47:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-03 02:47:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:47:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:47:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-03 02:47:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-03 02:47:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:47:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:47:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:47:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:47:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 02:47:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 02:47:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-03 02:47:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-03 02:47:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-03 02:47:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-03 02:47:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2022-11-03 02:47:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2022-11-03 02:47:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:47:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:47:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-03 02:47:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-03 02:47:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-03 02:47:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-03 02:47:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-03 02:47:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-03 02:47:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 02:47:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 02:47:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:47:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:47:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-03 02:47:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-03 02:47:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-03 02:47:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-03 02:47:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-03 02:47:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-03 02:47:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-03 02:47:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-03 02:47:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-03 02:47:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-03 02:47:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-03 02:47:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-03 02:47:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:47:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:47:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:47:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:47:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:47:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:47:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-03 02:47:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-03 02:47:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 02:47:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 02:47:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:47:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:47:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-03 02:47:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-03 02:47:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:47:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:47:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 02:47:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 02:47:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2022-11-03 02:47:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2022-11-03 02:47:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:47:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:47:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2022-11-03 02:47:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2022-11-03 02:47:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:47:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 02:47:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 02:47:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-03 02:47:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-03 02:47:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 02:47:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2022-11-03 02:47:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2022-11-03 02:47:25,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:47:25,918 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:47:27,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:48:34,915 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:48:47,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:48:47,569 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:48:47,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:48:47 BoogieIcfgContainer [2022-11-03 02:48:47,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:48:47,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:48:47,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:48:47,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:48:47,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:47:09" (1/3) ... [2022-11-03 02:48:47,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f7ec98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:48:47, skipping insertion in model container [2022-11-03 02:48:47,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:20" (2/3) ... [2022-11-03 02:48:47,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f7ec98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:48:47, skipping insertion in model container [2022-11-03 02:48:47,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:48:47" (3/3) ... [2022-11-03 02:48:47,591 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-03 02:48:47,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:48:47,609 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:48:47,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:48:47,824 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;@6036e1f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:48:47,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:48:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 6450 states, 4097 states have (on average 1.3390285574810836) internal successors, (5486), 4195 states have internal predecessors, (5486), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) [2022-11-03 02:48:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-03 02:48:47,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:47,896 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:47,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:47,904 INFO L85 PathProgramCache]: Analyzing trace with hash -586453808, now seen corresponding path program 1 times [2022-11-03 02:48:47,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:47,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479118949] [2022-11-03 02:48:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:47,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-11-03 02:48:50,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:50,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479118949] [2022-11-03 02:48:50,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479118949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:50,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:50,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:48:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58892384] [2022-11-03 02:48:50,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:50,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:48:50,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:50,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:48:50,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:48:50,589 INFO L87 Difference]: Start difference. First operand has 6450 states, 4097 states have (on average 1.3390285574810836) internal successors, (5486), 4195 states have internal predecessors, (5486), 2099 states have call successors, (2099), 255 states have call predecessors, (2099), 254 states have return successors, (2089), 2083 states have call predecessors, (2089), 2089 states have call successors, (2089) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:48:52,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:55,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:48:58,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:02,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:04,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:06,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:11,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:18,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:20,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:24,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:25,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:25,347 INFO L93 Difference]: Finished difference Result 18420 states and 27762 transitions. [2022-11-03 02:49:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:25,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-11-03 02:49:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:25,521 INFO L225 Difference]: With dead ends: 18420 [2022-11-03 02:49:25,522 INFO L226 Difference]: Without dead ends: 11950 [2022-11-03 02:49:25,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:25,609 INFO L413 NwaCegarLoop]: 11022 mSDtfsCounter, 8333 mSDsluCounter, 9490 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8342 SdHoareTripleChecker+Valid, 19726 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:25,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8342 Valid, 19726 Invalid, 1736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1723 Invalid, 7 Unknown, 0 Unchecked, 33.8s Time] [2022-11-03 02:49:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11950 states. [2022-11-03 02:49:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11950 to 11937. [2022-11-03 02:49:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11937 states, 7564 states have (on average 1.3315705975674246) internal successors, (10072), 7721 states have internal predecessors, (10072), 3895 states have call successors, (3895), 480 states have call predecessors, (3895), 477 states have return successors, (3899), 3877 states have call predecessors, (3899), 3893 states have call successors, (3899) [2022-11-03 02:49:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11937 states to 11937 states and 17866 transitions. [2022-11-03 02:49:26,955 INFO L78 Accepts]: Start accepts. Automaton has 11937 states and 17866 transitions. Word has length 163 [2022-11-03 02:49:26,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:26,961 INFO L495 AbstractCegarLoop]: Abstraction has 11937 states and 17866 transitions. [2022-11-03 02:49:26,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:49:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 11937 states and 17866 transitions. [2022-11-03 02:49:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-03 02:49:26,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:26,992 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:26,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:49:26,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:26,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:26,995 INFO L85 PathProgramCache]: Analyzing trace with hash 201579089, now seen corresponding path program 1 times [2022-11-03 02:49:26,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:26,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323701559] [2022-11-03 02:49:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:26,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-03 02:49:28,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:28,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323701559] [2022-11-03 02:49:28,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323701559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:28,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:28,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:28,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134317693] [2022-11-03 02:49:28,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:28,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:28,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:28,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:28,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:28,639 INFO L87 Difference]: Start difference. First operand 11937 states and 17866 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:49:30,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:34,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:38,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:42,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:44,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:47,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:49:58,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:01,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:02,106 INFO L93 Difference]: Finished difference Result 35227 states and 52713 transitions. [2022-11-03 02:50:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:50:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-11-03 02:50:02,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:02,324 INFO L225 Difference]: With dead ends: 35227 [2022-11-03 02:50:02,324 INFO L226 Difference]: Without dead ends: 23319 [2022-11-03 02:50:02,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:02,419 INFO L413 NwaCegarLoop]: 11650 mSDtfsCounter, 9021 mSDsluCounter, 9566 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9028 SdHoareTripleChecker+Valid, 20429 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:02,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9028 Valid, 20429 Invalid, 1706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1697 Invalid, 8 Unknown, 0 Unchecked, 32.4s Time] [2022-11-03 02:50:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23319 states. [2022-11-03 02:50:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23319 to 23232. [2022-11-03 02:50:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23232 states, 14712 states have (on average 1.3314301250679716) internal successors, (19588), 15025 states have internal predecessors, (19588), 7588 states have call successors, (7588), 937 states have call predecessors, (7588), 931 states have return successors, (7604), 7549 states have call predecessors, (7604), 7586 states have call successors, (7604) [2022-11-03 02:50:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23232 states to 23232 states and 34780 transitions. [2022-11-03 02:50:04,497 INFO L78 Accepts]: Start accepts. Automaton has 23232 states and 34780 transitions. Word has length 194 [2022-11-03 02:50:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:04,498 INFO L495 AbstractCegarLoop]: Abstraction has 23232 states and 34780 transitions. [2022-11-03 02:50:04,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:50:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 23232 states and 34780 transitions. [2022-11-03 02:50:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-03 02:50:04,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:04,509 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:04,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:50:04,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:04,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1592433303, now seen corresponding path program 1 times [2022-11-03 02:50:04,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:04,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361257743] [2022-11-03 02:50:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-03 02:50:05,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:05,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361257743] [2022-11-03 02:50:05,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361257743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:05,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:05,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:50:05,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225967036] [2022-11-03 02:50:05,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:05,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:50:05,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:05,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:50:05,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:05,998 INFO L87 Difference]: Start difference. First operand 23232 states and 34780 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:50:08,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:11,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:50:14,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:17,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:20,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:22,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:24,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:33,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:36,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:38,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:39,347 INFO L93 Difference]: Finished difference Result 67322 states and 100761 transitions. [2022-11-03 02:50:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:50:39,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 206 [2022-11-03 02:50:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:39,655 INFO L225 Difference]: With dead ends: 67322 [2022-11-03 02:50:39,656 INFO L226 Difference]: Without dead ends: 44119 [2022-11-03 02:50:39,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:39,800 INFO L413 NwaCegarLoop]: 12870 mSDtfsCounter, 8455 mSDsluCounter, 9547 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8461 SdHoareTripleChecker+Valid, 21640 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:39,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8461 Valid, 21640 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1950 Invalid, 10 Unknown, 0 Unchecked, 31.7s Time] [2022-11-03 02:50:39,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44119 states. [2022-11-03 02:50:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44119 to 44108. [2022-11-03 02:50:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44108 states, 27914 states have (on average 1.3294404241599198) internal successors, (37110), 28499 states have internal predecessors, (37110), 14430 states have call successors, (14430), 1773 states have call predecessors, (14430), 1763 states have return successors, (14470), 14363 states have call predecessors, (14470), 14428 states have call successors, (14470) [2022-11-03 02:50:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44108 states to 44108 states and 66010 transitions. [2022-11-03 02:50:43,581 INFO L78 Accepts]: Start accepts. Automaton has 44108 states and 66010 transitions. Word has length 206 [2022-11-03 02:50:43,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:43,582 INFO L495 AbstractCegarLoop]: Abstraction has 44108 states and 66010 transitions. [2022-11-03 02:50:43,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:50:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 44108 states and 66010 transitions. [2022-11-03 02:50:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-03 02:50:43,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:43,600 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:43,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:50:43,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:43,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:43,601 INFO L85 PathProgramCache]: Analyzing trace with hash 672237866, now seen corresponding path program 1 times [2022-11-03 02:50:43,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:43,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17373163] [2022-11-03 02:50:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:43,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-03 02:50:45,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17373163] [2022-11-03 02:50:45,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17373163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:45,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:45,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:50:45,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384128774] [2022-11-03 02:50:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:45,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:50:45,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:50:45,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:45,187 INFO L87 Difference]: Start difference. First operand 44108 states and 66010 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:50:47,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:50,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:52,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:54,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:58,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:02,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:09,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:11,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:19,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:21,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:24,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:27,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:28,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:28,216 INFO L93 Difference]: Finished difference Result 132083 states and 197663 transitions. [2022-11-03 02:51:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:51:28,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 234 [2022-11-03 02:51:28,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:28,959 INFO L225 Difference]: With dead ends: 132083 [2022-11-03 02:51:28,959 INFO L226 Difference]: Without dead ends: 88004 [2022-11-03 02:51:29,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:51:29,239 INFO L413 NwaCegarLoop]: 15627 mSDtfsCounter, 9330 mSDsluCounter, 9572 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9334 SdHoareTripleChecker+Valid, 24411 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:29,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9334 Valid, 24411 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2071 Invalid, 10 Unknown, 0 Unchecked, 39.8s Time] [2022-11-03 02:51:29,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88004 states. [2022-11-03 02:51:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88004 to 87870. [2022-11-03 02:51:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87870 states, 55592 states have (on average 1.3293639372571593) internal successors, (73902), 56771 states have internal predecessors, (73902), 28763 states have call successors, (28763), 3533 states have call predecessors, (28763), 3514 states have return successors, (28851), 28621 states have call predecessors, (28851), 28761 states have call successors, (28851) [2022-11-03 02:51:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87870 states to 87870 states and 131516 transitions. [2022-11-03 02:51:35,733 INFO L78 Accepts]: Start accepts. Automaton has 87870 states and 131516 transitions. Word has length 234 [2022-11-03 02:51:35,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:35,734 INFO L495 AbstractCegarLoop]: Abstraction has 87870 states and 131516 transitions. [2022-11-03 02:51:35,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:51:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 87870 states and 131516 transitions. [2022-11-03 02:51:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-03 02:51:35,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:35,767 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:51:35,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:51:35,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:51:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:35,768 INFO L85 PathProgramCache]: Analyzing trace with hash -967879625, now seen corresponding path program 1 times [2022-11-03 02:51:35,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:35,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239692010] [2022-11-03 02:51:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:35,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2022-11-03 02:51:37,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:37,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239692010] [2022-11-03 02:51:37,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239692010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:37,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:37,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:51:37,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401163524] [2022-11-03 02:51:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:37,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:51:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:37,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:51:37,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:51:37,602 INFO L87 Difference]: Start difference. First operand 87870 states and 131516 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 02:51:39,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:42,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:51:45,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:47,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:51,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:53,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:55,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:03,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:05,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:13,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:14,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:16,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:20,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:22,328 INFO L93 Difference]: Finished difference Result 219826 states and 329011 transitions. [2022-11-03 02:52:22,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:22,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 312 [2022-11-03 02:52:22,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:23,318 INFO L225 Difference]: With dead ends: 219826 [2022-11-03 02:52:23,319 INFO L226 Difference]: Without dead ends: 131985 [2022-11-03 02:52:23,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:23,884 INFO L413 NwaCegarLoop]: 16474 mSDtfsCounter, 9213 mSDsluCounter, 9538 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 16 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9221 SdHoareTripleChecker+Valid, 25226 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:23,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9221 Valid, 25226 Invalid, 2277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 2252 Invalid, 9 Unknown, 0 Unchecked, 39.8s Time] [2022-11-03 02:52:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131985 states. [2022-11-03 02:52:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131985 to 131894. [2022-11-03 02:52:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131894 states, 83464 states have (on average 1.3288124221221125) internal successors, (110908), 85233 states have internal predecessors, (110908), 43143 states have call successors, (43143), 5313 states have call predecessors, (43143), 5286 states have return successors, (43295), 42931 states have call predecessors, (43295), 43141 states have call successors, (43295) [2022-11-03 02:52:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131894 states to 131894 states and 197346 transitions. [2022-11-03 02:52:33,407 INFO L78 Accepts]: Start accepts. Automaton has 131894 states and 197346 transitions. Word has length 312 [2022-11-03 02:52:33,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:33,408 INFO L495 AbstractCegarLoop]: Abstraction has 131894 states and 197346 transitions. [2022-11-03 02:52:33,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 02:52:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 131894 states and 197346 transitions. [2022-11-03 02:52:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-03 02:52:33,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:33,455 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:33,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:52:33,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash 947940221, now seen corresponding path program 1 times [2022-11-03 02:52:33,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:33,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871254617] [2022-11-03 02:52:33,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:33,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-03 02:52:35,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:35,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871254617] [2022-11-03 02:52:35,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871254617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:35,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:35,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:35,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920247861] [2022-11-03 02:52:35,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:35,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:35,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:35,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:35,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:35,411 INFO L87 Difference]: Start difference. First operand 131894 states and 197346 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 02:52:37,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:40,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:52:42,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:44,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:48,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:51,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:58,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:00,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:07,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:15,022 INFO L93 Difference]: Finished difference Result 328062 states and 490749 transitions. [2022-11-03 02:53:15,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:53:15,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 324 [2022-11-03 02:53:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:16,578 INFO L225 Difference]: With dead ends: 328062 [2022-11-03 02:53:16,578 INFO L226 Difference]: Without dead ends: 196197 [2022-11-03 02:53:17,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:17,130 INFO L413 NwaCegarLoop]: 15674 mSDtfsCounter, 9036 mSDsluCounter, 9185 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 21 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9044 SdHoareTripleChecker+Valid, 24133 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:17,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9044 Valid, 24133 Invalid, 2125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 2097 Invalid, 7 Unknown, 0 Unchecked, 32.2s Time] [2022-11-03 02:53:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196197 states.