./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS --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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- 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-8393723 [2022-11-19 07:43:41,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:43:41,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:43:41,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:43:41,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:43:41,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:43:41,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:43:41,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:43:41,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:43:41,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:43:41,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:43:41,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:43:41,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:43:41,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:43:41,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:43:41,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:43:41,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:43:41,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:43:41,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:43:41,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:43:41,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:43:41,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:43:41,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:43:41,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:43:41,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:43:41,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:43:41,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:43:41,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:43:41,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:43:41,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:43:41,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:43:41,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:43:41,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:43:41,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:43:41,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:43:41,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:43:41,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:43:41,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:43:41,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:43:41,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:43:41,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:43:41,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:43:41,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:43:41,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:43:41,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:43:41,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:43:41,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:43:41,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:43:41,814 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:43:41,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:43:41,814 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:43:41,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:43:41,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:43:41,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:43:41,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:43:41,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:43:41,816 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:43:41,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:43:41,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:43:41,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:43:41,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:43:41,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:43:41,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:43:41,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:43:41,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:43:41,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:43:41,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:43:41,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:43:41,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:43:41,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:43:41,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:43:41,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:43:41,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:43:41,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:43:41,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:43:41,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:43:41,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:43:41,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:43:41,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:43:41,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:43:41,823 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_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-11-19 07:43:42,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:43:42,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:43:42,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:43:42,159 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:43:42,160 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:43:42,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-11-19 07:43:42,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/data/24cc54c5f/39ed825c2c5f4ab1809fac470b4d2718/FLAGbecd329b5 [2022-11-19 07:43:43,014 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:43:43,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-11-19 07:43:43,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/data/24cc54c5f/39ed825c2c5f4ab1809fac470b4d2718/FLAGbecd329b5 [2022-11-19 07:43:43,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/data/24cc54c5f/39ed825c2c5f4ab1809fac470b4d2718 [2022-11-19 07:43:43,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:43:43,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:43:43,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:43:43,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:43:43,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:43:43,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:43" (1/1) ... [2022-11-19 07:43:43,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79688bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:43, skipping insertion in model container [2022-11-19 07:43:43,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:43" (1/1) ... [2022-11-19 07:43:43,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:43:43,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:43:44,018 WARN L234 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_7b51df8d-b5e4-45e0-8afa-3e897b060f40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-11-19 07:43:44,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:43:44,354 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:43:44,577 WARN L234 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_7b51df8d-b5e4-45e0-8afa-3e897b060f40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-11-19 07:43:44,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:43:44,710 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:43:44,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44 WrapperNode [2022-11-19 07:43:44,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:43:44,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:43:44,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:43:44,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:43:44,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,843 INFO L138 Inliner]: procedures = 125, calls = 351, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1078 [2022-11-19 07:43:44,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:43:44,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:43:44,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:43:44,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:43:44,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:44,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:45,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:45,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:43:45,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:43:45,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:43:45,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:43:45,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (1/1) ... [2022-11-19 07:43:45,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:43:45,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:45,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:43:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:43:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:43:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:43:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:43:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:43:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:43:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:43:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-19 07:43:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-19 07:43:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-19 07:43:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-19 07:43:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-11-19 07:43:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-11-19 07:43:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-19 07:43:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-19 07:43:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:43:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:43:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 07:43:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 07:43:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:43:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:43:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:43:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-19 07:43:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-19 07:43:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:43:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:43:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-19 07:43:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-19 07:43:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:43:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:43:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:43:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:43:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-11-19 07:43:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-11-19 07:43:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:43:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-19 07:43:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-19 07:43:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:43:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:43:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:43:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:43:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:43:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:43:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-19 07:43:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-19 07:43:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-19 07:43:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-19 07:43:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:43:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:43:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:43:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:43:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:43:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:43:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:43:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:43:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:43:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:43:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-11-19 07:43:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-11-19 07:43:45,678 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:43:45,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:43:45,758 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:43:47,807 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:43:48,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:43:48,168 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:43:48,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:48 BoogieIcfgContainer [2022-11-19 07:43:48,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:43:48,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:43:48,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:43:48,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:43:48,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:43:43" (1/3) ... [2022-11-19 07:43:48,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6251ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:48, skipping insertion in model container [2022-11-19 07:43:48,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:44" (2/3) ... [2022-11-19 07:43:48,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6251ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:48, skipping insertion in model container [2022-11-19 07:43:48,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:48" (3/3) ... [2022-11-19 07:43:48,181 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-11-19 07:43:48,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:43:48,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:43:48,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:43:48,259 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;@62f7f5d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:43:48,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:43:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 147 states have (on average 1.469387755102041) internal successors, (216), 156 states have internal predecessors, (216), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-19 07:43:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:43:48,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:48,276 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:43:48,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:48,282 INFO L85 PathProgramCache]: Analyzing trace with hash 275381214, now seen corresponding path program 1 times [2022-11-19 07:43:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:48,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426138006] [2022-11-19 07:43:48,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:48,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 07:43:48,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:48,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426138006] [2022-11-19 07:43:48,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426138006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:48,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:48,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:48,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055894649] [2022-11-19 07:43:48,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:48,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:48,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:48,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:48,975 INFO L87 Difference]: Start difference. First operand has 218 states, 147 states have (on average 1.469387755102041) internal successors, (216), 156 states have internal predecessors, (216), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:43:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:50,781 INFO L93 Difference]: Finished difference Result 590 states and 857 transitions. [2022-11-19 07:43:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:50,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2022-11-19 07:43:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:50,796 INFO L225 Difference]: With dead ends: 590 [2022-11-19 07:43:50,796 INFO L226 Difference]: Without dead ends: 358 [2022-11-19 07:43:50,802 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 [2022-11-19 07:43:50,806 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 250 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:50,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 507 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 07:43:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-19 07:43:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2022-11-19 07:43:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 254 states have (on average 1.4133858267716535) internal successors, (359), 258 states have internal predecessors, (359), 68 states have call successors, (68), 36 states have call predecessors, (68), 35 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-19 07:43:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 494 transitions. [2022-11-19 07:43:50,887 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 494 transitions. Word has length 33 [2022-11-19 07:43:50,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:50,888 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 494 transitions. [2022-11-19 07:43:50,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:43:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 494 transitions. [2022-11-19 07:43:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 07:43:50,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:50,892 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-19 07:43:50,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:43:50,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1326196819, now seen corresponding path program 1 times [2022-11-19 07:43:50,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:50,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192507660] [2022-11-19 07:43:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 07:43:51,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:51,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192507660] [2022-11-19 07:43:51,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192507660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:51,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:51,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:43:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735838858] [2022-11-19 07:43:51,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:51,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:43:51,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:43:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:43:51,274 INFO L87 Difference]: Start difference. First operand 358 states and 494 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:43:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:52,770 INFO L93 Difference]: Finished difference Result 704 states and 980 transitions. [2022-11-19 07:43:52,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:43:52,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2022-11-19 07:43:52,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:52,786 INFO L225 Difference]: With dead ends: 704 [2022-11-19 07:43:52,786 INFO L226 Difference]: Without dead ends: 699 [2022-11-19 07:43:52,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:43:52,790 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 243 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:52,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 704 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:43:52,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-11-19 07:43:52,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 693. [2022-11-19 07:43:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 492 states have (on average 1.4146341463414633) internal successors, (696), 500 states have internal predecessors, (696), 131 states have call successors, (131), 70 states have call predecessors, (131), 69 states have return successors, (138), 130 states have call predecessors, (138), 130 states have call successors, (138) [2022-11-19 07:43:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 965 transitions. [2022-11-19 07:43:52,949 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 965 transitions. Word has length 42 [2022-11-19 07:43:52,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:52,950 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 965 transitions. [2022-11-19 07:43:52,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:43:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 965 transitions. [2022-11-19 07:43:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 07:43:52,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:52,964 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:52,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:43:52,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash 857487107, now seen corresponding path program 1 times [2022-11-19 07:43:52,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:52,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126210311] [2022-11-19 07:43:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-19 07:43:53,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:53,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126210311] [2022-11-19 07:43:53,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126210311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:53,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:53,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:53,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086180428] [2022-11-19 07:43:53,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:53,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:53,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:53,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:53,260 INFO L87 Difference]: Start difference. First operand 693 states and 965 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:43:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:54,267 INFO L93 Difference]: Finished difference Result 1531 states and 2140 transitions. [2022-11-19 07:43:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:54,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2022-11-19 07:43:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:54,274 INFO L225 Difference]: With dead ends: 1531 [2022-11-19 07:43:54,275 INFO L226 Difference]: Without dead ends: 850 [2022-11-19 07:43:54,279 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 [2022-11-19 07:43:54,280 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 75 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:54,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 419 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:43:54,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2022-11-19 07:43:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 845. [2022-11-19 07:43:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 621 states have (on average 1.429951690821256) internal successors, (888), 629 states have internal predecessors, (888), 144 states have call successors, (144), 80 states have call predecessors, (144), 79 states have return successors, (151), 143 states have call predecessors, (151), 143 states have call successors, (151) [2022-11-19 07:43:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1183 transitions. [2022-11-19 07:43:54,333 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1183 transitions. Word has length 138 [2022-11-19 07:43:54,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:54,333 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1183 transitions. [2022-11-19 07:43:54,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:43:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1183 transitions. [2022-11-19 07:43:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-19 07:43:54,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:54,342 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:54,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:43:54,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:54,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:54,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1523278671, now seen corresponding path program 1 times [2022-11-19 07:43:54,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:54,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389171649] [2022-11-19 07:43:54,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:54,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-19 07:43:54,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:54,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389171649] [2022-11-19 07:43:54,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389171649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:54,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:54,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:54,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302550915] [2022-11-19 07:43:54,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:54,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:54,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:54,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:54,661 INFO L87 Difference]: Start difference. First operand 845 states and 1183 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-19 07:43:56,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:56,007 INFO L93 Difference]: Finished difference Result 2297 states and 3210 transitions. [2022-11-19 07:43:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:56,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 156 [2022-11-19 07:43:56,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:56,017 INFO L225 Difference]: With dead ends: 2297 [2022-11-19 07:43:56,017 INFO L226 Difference]: Without dead ends: 1472 [2022-11-19 07:43:56,020 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 [2022-11-19 07:43:56,021 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 221 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:56,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 481 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 07:43:56,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-19 07:43:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1467. [2022-11-19 07:43:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1073 states have (on average 1.4165890027958994) internal successors, (1520), 1089 states have internal predecessors, (1520), 248 states have call successors, (248), 146 states have call predecessors, (248), 145 states have return successors, (259), 247 states have call predecessors, (259), 247 states have call successors, (259) [2022-11-19 07:43:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2027 transitions. [2022-11-19 07:43:56,112 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2027 transitions. Word has length 156 [2022-11-19 07:43:56,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:56,112 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2027 transitions. [2022-11-19 07:43:56,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-19 07:43:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2027 transitions. [2022-11-19 07:43:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-19 07:43:56,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:56,122 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:56,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:43:56,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1966472313, now seen corresponding path program 1 times [2022-11-19 07:43:56,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:56,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432326624] [2022-11-19 07:43:56,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:56,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-19 07:43:56,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:56,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432326624] [2022-11-19 07:43:56,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432326624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:56,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:56,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:56,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232488132] [2022-11-19 07:43:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:56,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:56,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:56,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:56,354 INFO L87 Difference]: Start difference. First operand 1467 states and 2027 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:43:57,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:57,496 INFO L93 Difference]: Finished difference Result 2215 states and 3084 transitions. [2022-11-19 07:43:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:57,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 156 [2022-11-19 07:43:57,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:57,506 INFO L225 Difference]: With dead ends: 2215 [2022-11-19 07:43:57,506 INFO L226 Difference]: Without dead ends: 1483 [2022-11-19 07:43:57,510 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 [2022-11-19 07:43:57,511 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 4 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:57,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 430 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:43:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-11-19 07:43:57,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-11-19 07:43:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1085 states have (on average 1.4119815668202764) internal successors, (1532), 1105 states have internal predecessors, (1532), 248 states have call successors, (248), 146 states have call predecessors, (248), 149 states have return successors, (263), 247 states have call predecessors, (263), 247 states have call successors, (263) [2022-11-19 07:43:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2043 transitions. [2022-11-19 07:43:57,622 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2043 transitions. Word has length 156 [2022-11-19 07:43:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:57,623 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2043 transitions. [2022-11-19 07:43:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:43:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2043 transitions. [2022-11-19 07:43:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-19 07:43:57,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:57,629 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:43:57,630 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:57,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1703410013, now seen corresponding path program 1 times [2022-11-19 07:43:57,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:57,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219023412] [2022-11-19 07:43:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:57,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-19 07:43:58,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:58,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219023412] [2022-11-19 07:43:58,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219023412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:58,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:58,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:43:58,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114708590] [2022-11-19 07:43:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:58,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:43:58,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:58,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:43:58,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:43:58,399 INFO L87 Difference]: Start difference. First operand 1483 states and 2043 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-19 07:44:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:01,265 INFO L93 Difference]: Finished difference Result 2194 states and 3037 transitions. [2022-11-19 07:44:01,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:44:01,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 157 [2022-11-19 07:44:01,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:01,267 INFO L225 Difference]: With dead ends: 2194 [2022-11-19 07:44:01,267 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:44:01,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:44:01,274 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 430 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:01,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 433 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 07:44:01,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:44:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:44:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:44:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:44:01,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2022-11-19 07:44:01,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:01,277 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:44:01,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-19 07:44:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:44:01,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:44:01,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:44:01,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:44:01,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:44:02,724 INFO L902 garLoopResultBuilder]: At program point skb_putENTRY(lines 6624 6628) the Hoare annotation is: true [2022-11-19 07:44:02,725 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2022-11-19 07:44:02,725 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5677 5683) the Hoare annotation is: true [2022-11-19 07:44:02,725 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2022-11-19 07:44:02,725 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2022-11-19 07:44:02,725 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-19 07:44:02,725 INFO L902 garLoopResultBuilder]: At program point skb_pullENTRY(lines 6618 6620) the Hoare annotation is: true [2022-11-19 07:44:02,725 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2022-11-19 07:44:02,726 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2022-11-19 07:44:02,726 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2022-11-19 07:44:02,726 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5684 5690) the Hoare annotation is: true [2022-11-19 07:44:02,726 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5691 5696) the Hoare annotation is: true [2022-11-19 07:44:02,726 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2022-11-19 07:44:02,726 INFO L902 garLoopResultBuilder]: At program point usbnet_disconnectENTRY(lines 6655 6657) the Hoare annotation is: true [2022-11-19 07:44:02,726 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2022-11-19 07:44:02,726 INFO L902 garLoopResultBuilder]: At program point put_unaligned_le16ENTRY(lines 5748 5754) the Hoare annotation is: true [2022-11-19 07:44:02,727 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2022-11-19 07:44:02,727 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2022-11-19 07:44:02,727 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2022-11-19 07:44:02,727 INFO L902 garLoopResultBuilder]: At program point skb_pushENTRY(lines 6621 6623) the Hoare annotation is: true [2022-11-19 07:44:02,727 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2022-11-19 07:44:02,727 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2022-11-19 07:44:02,727 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2022-11-19 07:44:02,728 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2022-11-19 07:44:02,728 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2022-11-19 07:44:02,728 INFO L895 garLoopResultBuilder]: At program point ldv_set_removeENTRY(lines 6411 6445) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,728 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2022-11-19 07:44:02,728 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2022-11-19 07:44:02,728 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2022-11-19 07:44:02,729 INFO L895 garLoopResultBuilder]: At program point L6418-2(lines 6418 6429) the Hoare annotation is: (or (and (= 0 (+ ldv_set_remove_~deleted_index~0 1)) (= ldv_set_remove_~i~1 0) (= |old(~last_index~0)| ~last_index~0)) (not (= |old(~last_index~0)| 0))) [2022-11-19 07:44:02,729 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2022-11-19 07:44:02,729 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:44:02,729 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 07:44:02,729 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:44:02,729 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2022-11-19 07:44:02,729 INFO L902 garLoopResultBuilder]: At program point skb_cloneENTRY(lines 6612 6614) the Hoare annotation is: true [2022-11-19 07:44:02,730 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-19 07:44:02,730 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-11-19 07:44:02,730 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5624 5626) the Hoare annotation is: true [2022-11-19 07:44:02,730 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2022-11-19 07:44:02,730 INFO L895 garLoopResultBuilder]: At program point ldv_skb_freeENTRY(lines 6532 6538) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,730 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2022-11-19 07:44:02,730 INFO L895 garLoopResultBuilder]: At program point L6535(line 6535) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,730 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2022-11-19 07:44:02,731 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2022-11-19 07:44:02,731 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 6641 6643) the Hoare annotation is: true [2022-11-19 07:44:02,731 INFO L895 garLoopResultBuilder]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,731 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2022-11-19 07:44:02,731 INFO L895 garLoopResultBuilder]: At program point eem_rx_fixupENTRY(lines 5926 6059) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,731 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2022-11-19 07:44:02,731 INFO L895 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,731 INFO L895 garLoopResultBuilder]: At program point L5984-1(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-19 07:44:02,732 INFO L895 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2022-11-19 07:44:02,732 INFO L895 garLoopResultBuilder]: At program point L6018-2(lines 6003 6049) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,732 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L895 garLoopResultBuilder]: At program point L5986(line 5986) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,733 INFO L895 garLoopResultBuilder]: At program point L6052(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5968) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L5986-1(line 5986) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L895 garLoopResultBuilder]: At program point L5838(lines 5817 5840) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2022-11-19 07:44:02,733 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L6054(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L6021(line 6021) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,734 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L5823(lines 5823 5826) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L6022(lines 6022 6023) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L6633-1(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,734 INFO L895 garLoopResultBuilder]: At program point L6633(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,735 INFO L895 garLoopResultBuilder]: At program point L5989(line 5989) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,735 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2022-11-19 07:44:02,735 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2022-11-19 07:44:02,735 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2022-11-19 07:44:02,735 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2022-11-19 07:44:02,735 INFO L895 garLoopResultBuilder]: At program point L6042(line 6042) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,735 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2022-11-19 07:44:02,736 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2022-11-19 07:44:02,736 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2022-11-19 07:44:02,736 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2022-11-19 07:44:02,736 INFO L895 garLoopResultBuilder]: At program point L5960(line 5960) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,736 INFO L895 garLoopResultBuilder]: At program point L6043(lines 6043 6048) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,736 INFO L895 garLoopResultBuilder]: At program point L6043-1(lines 5952 6049) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,736 INFO L895 garLoopResultBuilder]: At program point L5977(line 5977) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,737 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2022-11-19 07:44:02,737 INFO L895 garLoopResultBuilder]: At program point L5978(lines 5978 5979) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,737 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2022-11-19 07:44:02,737 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2022-11-19 07:44:02,737 INFO L895 garLoopResultBuilder]: At program point L5946(lines 5946 5949) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,737 INFO L895 garLoopResultBuilder]: At program point L6045(line 6045) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,737 INFO L895 garLoopResultBuilder]: At program point L6029-1(lines 6029 6036) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,737 INFO L895 garLoopResultBuilder]: At program point L5831(line 5831) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,738 INFO L895 garLoopResultBuilder]: At program point L5831-1(lines 5821 5839) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-19 07:44:02,738 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2022-11-19 07:44:02,738 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2022-11-19 07:44:02,738 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2022-11-19 07:44:02,738 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5627 5643) the Hoare annotation is: true [2022-11-19 07:44:02,738 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2022-11-19 07:44:02,738 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2022-11-19 07:44:02,738 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L902 garLoopResultBuilder]: At program point crc32_leENTRY(lines 6597 6599) the Hoare annotation is: true [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2022-11-19 07:44:02,739 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2022-11-19 07:44:02,739 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2022-11-19 07:44:02,740 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5644 5660) the Hoare annotation is: true [2022-11-19 07:44:02,740 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2022-11-19 07:44:02,740 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2022-11-19 07:44:02,740 INFO L902 garLoopResultBuilder]: At program point skb_trimENTRY(lines 6629 6631) the Hoare annotation is: true [2022-11-19 07:44:02,740 INFO L895 garLoopResultBuilder]: At program point L6229(lines 6229 6243) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,740 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2022-11-19 07:44:02,740 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2022-11-19 07:44:02,741 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L895 garLoopResultBuilder]: At program point L6199(line 6199) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2022-11-19 07:44:02,742 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2022-11-19 07:44:02,743 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2022-11-19 07:44:02,743 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,743 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2022-11-19 07:44:02,743 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2022-11-19 07:44:02,743 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,743 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2022-11-19 07:44:02,743 INFO L895 garLoopResultBuilder]: At program point L6118-1(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,743 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:44:02,744 INFO L895 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2022-11-19 07:44:02,744 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2022-11-19 07:44:02,744 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2022-11-19 07:44:02,745 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,745 INFO L895 garLoopResultBuilder]: At program point L6154(line 6154) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,745 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2022-11-19 07:44:02,745 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2022-11-19 07:44:02,745 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2022-11-19 07:44:02,745 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-19 07:44:02,745 INFO L902 garLoopResultBuilder]: At program point L6584-1(lines 6577 6588) the Hoare annotation is: true [2022-11-19 07:44:02,745 INFO L895 garLoopResultBuilder]: At program point L6138-1(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-19 07:44:02,746 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2022-11-19 07:44:02,746 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6221 6226) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,746 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2022-11-19 07:44:02,746 INFO L895 garLoopResultBuilder]: At program point L6189(line 6189) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,746 INFO L895 garLoopResultBuilder]: At program point L6239(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,746 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,746 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2022-11-19 07:44:02,747 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2022-11-19 07:44:02,748 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-19 07:44:02,748 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2022-11-19 07:44:02,748 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,748 INFO L895 garLoopResultBuilder]: At program point L6109-1(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,748 INFO L895 garLoopResultBuilder]: At program point L6291(line 6291) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,748 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-19 07:44:02,748 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2022-11-19 07:44:02,749 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2022-11-19 07:44:02,749 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2022-11-19 07:44:02,749 INFO L895 garLoopResultBuilder]: At program point L6309(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,749 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2022-11-19 07:44:02,749 INFO L895 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: (= ~last_index~0 0) [2022-11-19 07:44:02,749 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2022-11-19 07:44:02,749 INFO L902 garLoopResultBuilder]: At program point dev_kfree_skb_anyENTRY(lines 5716 5722) the Hoare annotation is: true [2022-11-19 07:44:02,750 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2022-11-19 07:44:02,750 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2022-11-19 07:44:02,750 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2022-11-19 07:44:02,750 INFO L895 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,750 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2022-11-19 07:44:02,750 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2022-11-19 07:44:02,750 INFO L895 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,751 INFO L899 garLoopResultBuilder]: For program point L5917-1(lines 5875 5924) no Hoare annotation was computed. [2022-11-19 07:44:02,751 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2022-11-19 07:44:02,751 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2022-11-19 07:44:02,751 INFO L902 garLoopResultBuilder]: At program point L5885(lines 5885 5902) the Hoare annotation is: true [2022-11-19 07:44:02,751 INFO L902 garLoopResultBuilder]: At program point L5910(lines 5875 5924) the Hoare annotation is: true [2022-11-19 07:44:02,751 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2022-11-19 07:44:02,751 INFO L895 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,751 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-19 07:44:02,752 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2022-11-19 07:44:02,752 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2022-11-19 07:44:02,752 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 07:44:02,752 INFO L895 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,752 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2022-11-19 07:44:02,752 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-19 07:44:02,752 INFO L902 garLoopResultBuilder]: At program point eem_tx_fixupENTRY(lines 5860 5925) the Hoare annotation is: true [2022-11-19 07:44:02,753 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2022-11-19 07:44:02,753 INFO L895 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,753 INFO L895 garLoopResultBuilder]: At program point L5913-1(line 5913) the Hoare annotation is: (not (= ~last_index~0 0)) [2022-11-19 07:44:02,753 INFO L902 garLoopResultBuilder]: At program point L6616-1(line 6616) the Hoare annotation is: true [2022-11-19 07:44:02,753 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2022-11-19 07:44:02,753 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2022-11-19 07:44:02,757 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-19 07:44:02,759 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:44:02,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:02 BoogieIcfgContainer [2022-11-19 07:44:02,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:44:02,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:44:02,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:44:02,782 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:44:02,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:48" (3/4) ... [2022-11-19 07:44:02,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:44:02,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-19 07:44:02,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-19 07:44:02,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2022-11-19 07:44:02,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2022-11-19 07:44:02,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2022-11-19 07:44:02,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-19 07:44:02,829 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2022-11-19 07:44:02,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-19 07:44:02,833 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-19 07:44:02,834 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:44:02,836 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:44:02,837 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:44:02,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-19 07:44:02,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == deleted_index + 1 && i == 0) && \old(last_index) == last_index) || !(\old(last_index) == 0) [2022-11-19 07:44:02,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) [2022-11-19 07:44:03,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:44:03,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:44:03,009 INFO L158 Benchmark]: Toolchain (without parser) took 19891.97ms. Allocated memory was 136.3MB in the beginning and 388.0MB in the end (delta: 251.7MB). Free memory was 88.9MB in the beginning and 151.1MB in the end (delta: -62.2MB). Peak memory consumption was 189.8MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,010 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:44:03,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.46ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 68.7MB in the end (delta: 20.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.75ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 60.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,011 INFO L158 Benchmark]: Boogie Preprocessor took 159.78ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 60.7MB in the beginning and 146.4MB in the end (delta: -85.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,011 INFO L158 Benchmark]: RCFGBuilder took 3157.19ms. Allocated memory was 197.1MB in the beginning and 281.0MB in the end (delta: 83.9MB). Free memory was 146.4MB in the beginning and 114.9MB in the end (delta: 31.4MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,012 INFO L158 Benchmark]: TraceAbstraction took 14607.34ms. Allocated memory was 281.0MB in the beginning and 388.0MB in the end (delta: 107.0MB). Free memory was 113.9MB in the beginning and 170.3MB in the end (delta: -56.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,012 INFO L158 Benchmark]: Witness Printer took 227.44ms. Allocated memory is still 388.0MB. Free memory was 170.3MB in the beginning and 151.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:44:03,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.46ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 68.7MB in the end (delta: 20.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.75ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 60.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.78ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 60.7MB in the beginning and 146.4MB in the end (delta: -85.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3157.19ms. Allocated memory was 197.1MB in the beginning and 281.0MB in the end (delta: 83.9MB). Free memory was 146.4MB in the beginning and 114.9MB in the end (delta: 31.4MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14607.34ms. Allocated memory was 281.0MB in the beginning and 388.0MB in the end (delta: 107.0MB). Free memory was 113.9MB in the beginning and 170.3MB in the end (delta: -56.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 227.44ms. Allocated memory is still 388.0MB. Free memory was 170.3MB in the beginning and 151.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5681]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1229 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1223 mSDsluCounter, 2974 SdHoareTripleChecker+Invalid, 8.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1571 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 954 IncrementalHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 1403 mSDtfsCounter, 954 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1483occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 102 LocationsWithAnnotation, 2574 PreInvPairs, 2771 NumberOfFragments, 449 HoareAnnotationTreeSize, 2574 FomulaSimplifications, 444 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 102 FomulaSimplificationsInter, 3846 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 378/378 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6118]: Loop Invariant Derived loop invariant: ldv_state_variable_0 == 1 && last_index == 0 - InvariantResult [Line: 5821]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6199]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6268]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6432]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) - InvariantResult [Line: 6418]: Loop Invariant Derived loop invariant: ((0 == deleted_index + 1 && i == 0) && \old(last_index) == last_index) || !(\old(last_index) == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6221]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5952]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6189]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5913]: Loop Invariant Derived loop invariant: !(last_index == 0) - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 0 && last_index == 0 - InvariantResult [Line: 5684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6109]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 1 && last_index == 0 - InvariantResult [Line: 6003]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6135]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6179]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6154]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5989]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6043]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6229]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6633]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6135]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5817]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5946]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6616]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:44:03,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b51df8d-b5e4-45e0-8afa-3e897b060f40/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE