./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/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_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 01:47:17,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:47:17,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:47:17,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:47:17,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:47:17,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:47:17,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:47:17,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:47:17,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:47:17,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:47:17,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:47:17,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:47:17,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:47:17,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:47:17,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:47:17,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:47:17,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:47:17,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:47:17,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:47:17,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:47:17,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:47:17,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:47:17,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:47:17,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:47:17,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:47:17,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:47:17,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:47:17,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:47:17,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:47:17,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:47:17,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:47:17,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:47:17,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:47:17,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:47:17,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:47:17,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:47:17,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:47:17,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:47:17,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:47:17,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:47:17,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:47:17,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:47:17,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:47:17,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:47:17,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:47:17,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:47:17,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:47:17,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:47:17,866 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:47:17,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:47:17,867 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:47:17,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:47:17,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:47:17,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:47:17,868 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:47:17,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:47:17,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:47:17,869 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:47:17,869 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:47:17,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:47:17,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:47:17,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:47:17,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:47:17,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:47:17,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:47:17,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:47:17,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:47:17,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:47:17,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:47:17,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:47:17,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:47:17,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:47:17,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:47:17,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:47:17,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:47:17,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:47:17,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:47:17,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:47:17,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:47:17,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:47:17,875 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_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-11-03 01:47:18,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:47:18,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:47:18,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:47:18,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:47:18,205 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:47:18,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 01:47:18,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/data/d021e5bad/c33317c1c2a94efaab567ed5825505bf/FLAG2905b4721 [2022-11-03 01:47:19,183 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:47:19,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/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 [2022-11-03 01:47:19,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/data/d021e5bad/c33317c1c2a94efaab567ed5825505bf/FLAG2905b4721 [2022-11-03 01:47:19,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/data/d021e5bad/c33317c1c2a94efaab567ed5825505bf [2022-11-03 01:47:19,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:47:19,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:47:19,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:47:19,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:47:19,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:47:19,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:47:19" (1/1) ... [2022-11-03 01:47:19,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333db285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:19, skipping insertion in model container [2022-11-03 01:47:19,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:47:19" (1/1) ... [2022-11-03 01:47:19,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:47:19,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:47:20,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/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] [2022-11-03 01:47:21,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:47:21,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:47:21,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/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] [2022-11-03 01:47:21,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:47:21,811 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:47:21,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21 WrapperNode [2022-11-03 01:47:21,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:47:21,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:47:21,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:47:21,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:47:21,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:21,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:21,988 INFO L138 Inliner]: procedures = 125, calls = 327, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1029 [2022-11-03 01:47:21,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:47:22,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:47:22,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:47:22,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:47:22,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:47:22,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:47:22,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:47:22,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:47:22,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (1/1) ... [2022-11-03 01:47:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:47:22,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:47:22,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:47:22,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:47:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:47:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:47:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:47:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:47:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:47:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:47:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-03 01:47:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-03 01:47:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-03 01:47:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-03 01:47:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-11-03 01:47:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-11-03 01:47:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 01:47:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 01:47:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:47:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:47:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 01:47:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 01:47:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:47:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:47:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:47:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 01:47:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 01:47:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:47:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:47:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-03 01:47:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-03 01:47:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:47:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:47:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:47:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:47:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-11-03 01:47:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-11-03 01:47:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:47:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-03 01:47:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-03 01:47:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:47:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:47:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:47:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:47:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:47:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:47:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 01:47:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 01:47:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 01:47:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 01:47:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:47:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:47:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:47:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:47:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:47:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:47:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:47:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:47:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:47:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:47:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-11-03 01:47:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-11-03 01:47:22,794 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:47:22,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:47:22,932 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:47:25,920 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:47:26,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:47:26,389 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:47:26,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:47:26 BoogieIcfgContainer [2022-11-03 01:47:26,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:47:26,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:47:26,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:47:26,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:47:26,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:47:19" (1/3) ... [2022-11-03 01:47:26,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df358a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:47:26, skipping insertion in model container [2022-11-03 01:47:26,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:47:21" (2/3) ... [2022-11-03 01:47:26,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df358a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:47:26, skipping insertion in model container [2022-11-03 01:47:26,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:47:26" (3/3) ... [2022-11-03 01:47:26,406 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 [2022-11-03 01:47:26,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:47:26,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:47:26,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:47:26,531 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;@1305db4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:47:26,531 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:47:26,538 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) [2022-11-03 01:47:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 01:47:26,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:26,552 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] [2022-11-03 01:47:26,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:26,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash 265313630, now seen corresponding path program 1 times [2022-11-03 01:47:26,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:26,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317267318] [2022-11-03 01:47:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 01:47:27,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:27,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317267318] [2022-11-03 01:47:27,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317267318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:27,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:27,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508690097] [2022-11-03 01:47:27,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:27,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:27,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:27,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:27,387 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) [2022-11-03 01:47:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:29,035 INFO L93 Difference]: Finished difference Result 614 states and 887 transitions. [2022-11-03 01:47:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:29,038 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 [2022-11-03 01:47:29,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:29,053 INFO L225 Difference]: With dead ends: 614 [2022-11-03 01:47:29,053 INFO L226 Difference]: Without dead ends: 396 [2022-11-03 01:47:29,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:29,063 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 268 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:29,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 550 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 01:47:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-03 01:47:29,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2022-11-03 01:47:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 276 states have (on average 1.423913043478261) internal successors, (393), 282 states have internal predecessors, (393), 82 states have call successors, (82), 38 states have call predecessors, (82), 37 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-11-03 01:47:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2022-11-03 01:47:29,167 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 33 [2022-11-03 01:47:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:29,168 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2022-11-03 01:47:29,168 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) [2022-11-03 01:47:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2022-11-03 01:47:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 01:47:29,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:29,172 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] [2022-11-03 01:47:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:47:29,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:29,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash 493506513, now seen corresponding path program 1 times [2022-11-03 01:47:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:29,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723426424] [2022-11-03 01:47:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 01:47:29,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:29,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723426424] [2022-11-03 01:47:29,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723426424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:29,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:29,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555182036] [2022-11-03 01:47:29,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:29,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:29,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:29,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:29,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:29,518 INFO L87 Difference]: Start difference. First operand 396 states and 556 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) [2022-11-03 01:47:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:31,564 INFO L93 Difference]: Finished difference Result 780 states and 1104 transitions. [2022-11-03 01:47:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:47:31,568 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 [2022-11-03 01:47:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:31,576 INFO L225 Difference]: With dead ends: 780 [2022-11-03 01:47:31,576 INFO L226 Difference]: Without dead ends: 775 [2022-11-03 01:47:31,577 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 [2022-11-03 01:47:31,579 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 274 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:31,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 811 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 01:47:31,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-03 01:47:31,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 769. [2022-11-03 01:47:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 536 states have (on average 1.4253731343283582) internal successors, (764), 548 states have internal predecessors, (764), 159 states have call successors, (159), 74 states have call predecessors, (159), 73 states have return successors, (166), 158 states have call predecessors, (166), 158 states have call successors, (166) [2022-11-03 01:47:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1089 transitions. [2022-11-03 01:47:31,659 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1089 transitions. Word has length 42 [2022-11-03 01:47:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:31,660 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 1089 transitions. [2022-11-03 01:47:31,660 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) [2022-11-03 01:47:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1089 transitions. [2022-11-03 01:47:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-03 01:47:31,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:31,681 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] [2022-11-03 01:47:31,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:47:31,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:31,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:31,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1703520507, now seen corresponding path program 1 times [2022-11-03 01:47:31,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:31,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096756736] [2022-11-03 01:47:31,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:31,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-03 01:47:32,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:32,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096756736] [2022-11-03 01:47:32,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096756736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:32,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:32,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:32,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925148281] [2022-11-03 01:47:32,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:32,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:32,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:32,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:32,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:32,022 INFO L87 Difference]: Start difference. First operand 769 states and 1089 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) [2022-11-03 01:47:33,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:33,297 INFO L93 Difference]: Finished difference Result 1683 states and 2388 transitions. [2022-11-03 01:47:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:33,298 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 [2022-11-03 01:47:33,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:33,304 INFO L225 Difference]: With dead ends: 1683 [2022-11-03 01:47:33,305 INFO L226 Difference]: Without dead ends: 926 [2022-11-03 01:47:33,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:33,310 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:33,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 481 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 01:47:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-11-03 01:47:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 921. [2022-11-03 01:47:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 665 states have (on average 1.437593984962406) internal successors, (956), 677 states have internal predecessors, (956), 172 states have call successors, (172), 84 states have call predecessors, (172), 83 states have return successors, (179), 171 states have call predecessors, (179), 171 states have call successors, (179) [2022-11-03 01:47:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1307 transitions. [2022-11-03 01:47:33,376 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1307 transitions. Word has length 138 [2022-11-03 01:47:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:33,377 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1307 transitions. [2022-11-03 01:47:33,377 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) [2022-11-03 01:47:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1307 transitions. [2022-11-03 01:47:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-03 01:47:33,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:33,385 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] [2022-11-03 01:47:33,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:47:33,385 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:33,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash -586308607, now seen corresponding path program 1 times [2022-11-03 01:47:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:33,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494308826] [2022-11-03 01:47:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-03 01:47:33,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:33,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494308826] [2022-11-03 01:47:33,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494308826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:33,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:33,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:33,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500207167] [2022-11-03 01:47:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:33,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:33,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:33,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:33,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:33,686 INFO L87 Difference]: Start difference. First operand 921 states and 1307 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) [2022-11-03 01:47:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:35,302 INFO L93 Difference]: Finished difference Result 2525 states and 3582 transitions. [2022-11-03 01:47:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:35,309 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 [2022-11-03 01:47:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:35,323 INFO L225 Difference]: With dead ends: 2525 [2022-11-03 01:47:35,323 INFO L226 Difference]: Without dead ends: 1624 [2022-11-03 01:47:35,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:35,333 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 252 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:35,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 550 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 01:47:35,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-11-03 01:47:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1619. [2022-11-03 01:47:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1161 states have (on average 1.426356589147287) internal successors, (1656), 1185 states have internal predecessors, (1656), 304 states have call successors, (304), 154 states have call predecessors, (304), 153 states have return successors, (315), 303 states have call predecessors, (315), 303 states have call successors, (315) [2022-11-03 01:47:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2275 transitions. [2022-11-03 01:47:35,524 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2275 transitions. Word has length 156 [2022-11-03 01:47:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:35,525 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2275 transitions. [2022-11-03 01:47:35,526 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) [2022-11-03 01:47:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2275 transitions. [2022-11-03 01:47:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-03 01:47:35,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:35,535 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] [2022-11-03 01:47:35,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:47:35,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -254222081, now seen corresponding path program 1 times [2022-11-03 01:47:35,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:35,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330925613] [2022-11-03 01:47:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-03 01:47:35,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:35,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330925613] [2022-11-03 01:47:35,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330925613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:35,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:35,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:35,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852614251] [2022-11-03 01:47:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:35,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:35,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:35,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:35,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:35,857 INFO L87 Difference]: Start difference. First operand 1619 states and 2275 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) [2022-11-03 01:47:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:37,173 INFO L93 Difference]: Finished difference Result 2443 states and 3456 transitions. [2022-11-03 01:47:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:37,174 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 [2022-11-03 01:47:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:37,184 INFO L225 Difference]: With dead ends: 2443 [2022-11-03 01:47:37,184 INFO L226 Difference]: Without dead ends: 1635 [2022-11-03 01:47:37,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:37,189 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 4 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:37,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 492 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 01:47:37,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2022-11-03 01:47:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2022-11-03 01:47:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1173 states have (on average 1.421994884910486) internal successors, (1668), 1201 states have internal predecessors, (1668), 304 states have call successors, (304), 154 states have call predecessors, (304), 157 states have return successors, (319), 303 states have call predecessors, (319), 303 states have call successors, (319) [2022-11-03 01:47:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2291 transitions. [2022-11-03 01:47:37,334 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2291 transitions. Word has length 156 [2022-11-03 01:47:37,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:37,335 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2291 transitions. [2022-11-03 01:47:37,335 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) [2022-11-03 01:47:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2291 transitions. [2022-11-03 01:47:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-03 01:47:37,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:37,344 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] [2022-11-03 01:47:37,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:47:37,344 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1455097649, now seen corresponding path program 1 times [2022-11-03 01:47:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:37,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728330843] [2022-11-03 01:47:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-03 01:47:38,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:38,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728330843] [2022-11-03 01:47:38,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728330843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:38,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:38,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:47:38,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503431164] [2022-11-03 01:47:38,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:38,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:47:38,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:38,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:47:38,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:47:38,207 INFO L87 Difference]: Start difference. First operand 1635 states and 2291 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) [2022-11-03 01:47:39,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:42,197 INFO L93 Difference]: Finished difference Result 2422 states and 3409 transitions. [2022-11-03 01:47:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:47:42,197 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 [2022-11-03 01:47:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:42,198 INFO L225 Difference]: With dead ends: 2422 [2022-11-03 01:47:42,199 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:47:42,204 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 [2022-11-03 01:47:42,205 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 309 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:42,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 489 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 01:47:42,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:47:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:47:42,206 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) [2022-11-03 01:47:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:47:42,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2022-11-03 01:47:42,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:42,207 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:47:42,208 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) [2022-11-03 01:47:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:47:42,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:47:42,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:47:42,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:47:42,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:47:43,872 INFO L902 garLoopResultBuilder]: At program point skb_putENTRY(lines 6624 6628) the Hoare annotation is: true [2022-11-03 01:47:43,872 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2022-11-03 01:47:43,873 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5677 5683) the Hoare annotation is: true [2022-11-03 01:47:43,873 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2022-11-03 01:47:43,873 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2022-11-03 01:47:43,873 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-03 01:47:43,873 INFO L902 garLoopResultBuilder]: At program point skb_pullENTRY(lines 6618 6620) the Hoare annotation is: true [2022-11-03 01:47:43,874 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2022-11-03 01:47:43,874 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2022-11-03 01:47:43,874 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2022-11-03 01:47:43,875 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5684 5690) the Hoare annotation is: true [2022-11-03 01:47:43,875 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5691 5696) the Hoare annotation is: true [2022-11-03 01:47:43,875 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2022-11-03 01:47:43,876 INFO L902 garLoopResultBuilder]: At program point usbnet_disconnectENTRY(lines 6655 6657) the Hoare annotation is: true [2022-11-03 01:47:43,876 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2022-11-03 01:47:43,876 INFO L902 garLoopResultBuilder]: At program point put_unaligned_le16ENTRY(lines 5748 5754) the Hoare annotation is: true [2022-11-03 01:47:43,876 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2022-11-03 01:47:43,876 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2022-11-03 01:47:43,880 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2022-11-03 01:47:43,880 INFO L902 garLoopResultBuilder]: At program point skb_pushENTRY(lines 6621 6623) the Hoare annotation is: true [2022-11-03 01:47:43,880 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2022-11-03 01:47:43,881 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2022-11-03 01:47:43,881 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2022-11-03 01:47:43,881 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2022-11-03 01:47:43,881 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2022-11-03 01:47:43,881 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)) [2022-11-03 01:47:43,883 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2022-11-03 01:47:43,883 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2022-11-03 01:47:43,883 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2022-11-03 01:47:43,885 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))) [2022-11-03 01:47:43,885 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2022-11-03 01:47:43,885 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:47:43,885 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-03 01:47:43,885 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:47:43,885 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2022-11-03 01:47:43,886 INFO L902 garLoopResultBuilder]: At program point skb_cloneENTRY(lines 6612 6614) the Hoare annotation is: true [2022-11-03 01:47:43,887 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-03 01:47:43,887 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-11-03 01:47:43,888 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5624 5626) the Hoare annotation is: true [2022-11-03 01:47:43,888 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2022-11-03 01:47:43,888 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)) [2022-11-03 01:47:43,888 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2022-11-03 01:47:43,890 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)) [2022-11-03 01:47:43,890 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2022-11-03 01:47:43,890 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2022-11-03 01:47:43,890 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 6641 6643) the Hoare annotation is: true [2022-11-03 01:47:43,890 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2022-11-03 01:47:43,891 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)) [2022-11-03 01:47:43,891 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2022-11-03 01:47:43,891 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)) [2022-11-03 01:47:43,896 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2022-11-03 01:47:43,897 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2022-11-03 01:47:43,897 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2022-11-03 01:47:43,898 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)) [2022-11-03 01:47:43,898 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)) [2022-11-03 01:47:43,898 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-03 01:47:43,898 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)) [2022-11-03 01:47:43,898 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)) [2022-11-03 01:47:43,899 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2022-11-03 01:47:43,899 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2022-11-03 01:47:43,899 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2022-11-03 01:47:43,899 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2022-11-03 01:47:43,901 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)) [2022-11-03 01:47:43,901 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2022-11-03 01:47:43,901 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2022-11-03 01:47:43,901 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2022-11-03 01:47:43,901 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2022-11-03 01:47:43,902 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)) [2022-11-03 01:47:43,902 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)) [2022-11-03 01:47:43,902 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)) [2022-11-03 01:47:43,902 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)) [2022-11-03 01:47:43,902 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2022-11-03 01:47:43,902 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2022-11-03 01:47:43,903 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)) [2022-11-03 01:47:43,903 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)) [2022-11-03 01:47:43,903 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5968) no Hoare annotation was computed. [2022-11-03 01:47:43,903 INFO L899 garLoopResultBuilder]: For program point L5986-1(line 5986) no Hoare annotation was computed. [2022-11-03 01:47:43,903 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)) [2022-11-03 01:47:43,903 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2022-11-03 01:47:43,904 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)) [2022-11-03 01:47:43,904 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2022-11-03 01:47:43,905 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2022-11-03 01:47:43,905 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)) [2022-11-03 01:47:43,905 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)) [2022-11-03 01:47:43,905 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2022-11-03 01:47:43,905 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2022-11-03 01:47:43,906 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2022-11-03 01:47:43,907 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)) [2022-11-03 01:47:43,907 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)) [2022-11-03 01:47:43,907 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)) [2022-11-03 01:47:43,907 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)) [2022-11-03 01:47:43,910 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)) [2022-11-03 01:47:43,910 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2022-11-03 01:47:43,911 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)) [2022-11-03 01:47:43,911 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2022-11-03 01:47:43,912 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2022-11-03 01:47:43,912 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2022-11-03 01:47:43,912 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)) [2022-11-03 01:47:43,912 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)) [2022-11-03 01:47:43,912 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)) [2022-11-03 01:47:43,912 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)) [2022-11-03 01:47:43,913 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2022-11-03 01:47:43,913 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5627 5643) the Hoare annotation is: true [2022-11-03 01:47:43,913 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2022-11-03 01:47:43,913 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2022-11-03 01:47:43,913 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2022-11-03 01:47:43,913 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2022-11-03 01:47:43,914 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2022-11-03 01:47:43,914 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2022-11-03 01:47:43,914 INFO L902 garLoopResultBuilder]: At program point crc32_leENTRY(lines 6597 6599) the Hoare annotation is: true [2022-11-03 01:47:43,914 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2022-11-03 01:47:43,914 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2022-11-03 01:47:43,914 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2022-11-03 01:47:43,915 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2022-11-03 01:47:43,915 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5644 5660) the Hoare annotation is: true [2022-11-03 01:47:43,915 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2022-11-03 01:47:43,915 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2022-11-03 01:47:43,915 INFO L902 garLoopResultBuilder]: At program point skb_trimENTRY(lines 6629 6631) the Hoare annotation is: true [2022-11-03 01:47:43,915 INFO L895 garLoopResultBuilder]: At program point L6229(lines 6229 6243) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,915 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2022-11-03 01:47:43,916 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2022-11-03 01:47:43,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:47:43,916 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,916 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2022-11-03 01:47:43,916 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-03 01:47:43,917 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2022-11-03 01:47:43,917 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2022-11-03 01:47:43,917 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2022-11-03 01:47:43,917 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2022-11-03 01:47:43,917 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-03 01:47:43,917 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2022-11-03 01:47:43,918 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2022-11-03 01:47:43,918 INFO L895 garLoopResultBuilder]: At program point L6199(line 6199) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,918 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2022-11-03 01:47:43,918 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2022-11-03 01:47:43,918 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2022-11-03 01:47:43,918 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2022-11-03 01:47:43,919 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2022-11-03 01:47:43,919 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,919 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2022-11-03 01:47:43,919 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2022-11-03 01:47:43,919 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-11-03 01:47:43,919 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2022-11-03 01:47:43,920 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)) [2022-11-03 01:47:43,920 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2022-11-03 01:47:43,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:47:43,922 INFO L895 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,923 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2022-11-03 01:47:43,923 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2022-11-03 01:47:43,923 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-03 01:47:43,923 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2022-11-03 01:47:43,923 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2022-11-03 01:47:43,923 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2022-11-03 01:47:43,923 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,924 INFO L895 garLoopResultBuilder]: At program point L6154(line 6154) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,924 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2022-11-03 01:47:43,924 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2022-11-03 01:47:43,924 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2022-11-03 01:47:43,924 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-03 01:47:43,925 INFO L902 garLoopResultBuilder]: At program point L6584-1(lines 6577 6588) the Hoare annotation is: true [2022-11-03 01:47:43,925 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)) [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6221 6226) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,925 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6189(line 6189) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6239(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-03 01:47:43,925 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2022-11-03 01:47:43,925 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2022-11-03 01:47:43,926 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2022-11-03 01:47:43,926 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-03 01:47:43,927 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2022-11-03 01:47:43,927 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-03 01:47:43,927 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)) [2022-11-03 01:47:43,927 INFO L895 garLoopResultBuilder]: At program point L6291(line 6291) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,927 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-03 01:47:43,927 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2022-11-03 01:47:43,927 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2022-11-03 01:47:43,928 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2022-11-03 01:47:43,928 INFO L895 garLoopResultBuilder]: At program point L6309(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,928 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2022-11-03 01:47:43,928 INFO L895 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: (= ~last_index~0 0) [2022-11-03 01:47:43,928 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2022-11-03 01:47:43,928 INFO L902 garLoopResultBuilder]: At program point dev_kfree_skb_anyENTRY(lines 5716 5722) the Hoare annotation is: true [2022-11-03 01:47:43,929 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2022-11-03 01:47:43,929 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2022-11-03 01:47:43,929 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2022-11-03 01:47:43,929 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2022-11-03 01:47:43,929 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2022-11-03 01:47:43,929 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2022-11-03 01:47:43,930 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-11-03 01:47:43,930 INFO L899 garLoopResultBuilder]: For program point L5917-1(lines 5875 5924) no Hoare annotation was computed. [2022-11-03 01:47:43,930 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2022-11-03 01:47:43,930 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2022-11-03 01:47:43,930 INFO L902 garLoopResultBuilder]: At program point L5885(lines 5885 5902) the Hoare annotation is: true [2022-11-03 01:47:43,931 INFO L902 garLoopResultBuilder]: At program point L5910(lines 5875 5924) the Hoare annotation is: true [2022-11-03 01:47:43,931 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2022-11-03 01:47:43,931 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-11-03 01:47:43,931 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-03 01:47:43,931 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2022-11-03 01:47:43,931 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2022-11-03 01:47:43,932 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-03 01:47:43,932 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2022-11-03 01:47:43,932 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2022-11-03 01:47:43,932 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-03 01:47:43,933 INFO L902 garLoopResultBuilder]: At program point eem_tx_fixupENTRY(lines 5860 5925) the Hoare annotation is: true [2022-11-03 01:47:43,933 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2022-11-03 01:47:43,933 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-11-03 01:47:43,933 INFO L902 garLoopResultBuilder]: At program point L5913-1(line 5913) the Hoare annotation is: true [2022-11-03 01:47:43,934 INFO L902 garLoopResultBuilder]: At program point L6616-1(line 6616) the Hoare annotation is: true [2022-11-03 01:47:43,934 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2022-11-03 01:47:43,934 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2022-11-03 01:47:43,937 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-03 01:47:43,939 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:47:43,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:47:43 BoogieIcfgContainer [2022-11-03 01:47:43,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:47:43,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:47:43,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:47:43,981 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:47:43,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:47:26" (3/4) ... [2022-11-03 01:47:43,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:47:43,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-11-03 01:47:43,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2022-11-03 01:47:43,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-03 01:47:43,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-03 01:47:43,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2022-11-03 01:47:43,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2022-11-03 01:47:43,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2022-11-03 01:47:43,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-03 01:47:44,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 203 nodes and edges [2022-11-03 01:47:44,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2022-11-03 01:47:44,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 01:47:44,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 01:47:44,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:47:44,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-03 01:47:44,085 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) [2022-11-03 01:47:44,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) [2022-11-03 01:47:44,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:47:44,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:47:44,256 INFO L158 Benchmark]: Toolchain (without parser) took 24525.45ms. Allocated memory was 96.5MB in the beginning and 316.7MB in the end (delta: 220.2MB). Free memory was 51.6MB in the beginning and 214.2MB in the end (delta: -162.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,256 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 76.0MB in the beginning and 76.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:47:44,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2077.56ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 51.4MB in the beginning and 81.9MB in the end (delta: -30.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.94ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 74.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,258 INFO L158 Benchmark]: Boogie Preprocessor took 129.10ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 66.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,259 INFO L158 Benchmark]: RCFGBuilder took 4263.28ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 66.8MB in the beginning and 120.1MB in the end (delta: -53.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,259 INFO L158 Benchmark]: TraceAbstraction took 17582.78ms. Allocated memory was 239.1MB in the beginning and 316.7MB in the end (delta: 77.6MB). Free memory was 119.1MB in the beginning and 232.1MB in the end (delta: -113.0MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,260 INFO L158 Benchmark]: Witness Printer took 274.36ms. Allocated memory is still 316.7MB. Free memory was 232.1MB in the beginning and 214.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-03 01:47:44,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 76.0MB in the beginning and 76.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2077.56ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 51.4MB in the beginning and 81.9MB in the end (delta: -30.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.94ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 74.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.10ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 66.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4263.28ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 66.8MB in the beginning and 120.1MB in the end (delta: -53.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17582.78ms. Allocated memory was 239.1MB in the beginning and 316.7MB in the end (delta: 77.6MB). Free memory was 119.1MB in the beginning and 232.1MB in the end (delta: -113.0MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. * Witness Printer took 274.36ms. Allocated memory is still 316.7MB. Free memory was 232.1MB in the beginning and 214.2MB in the end (delta: 17.8MB). 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: 17.4s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1188 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1182 mSDsluCounter, 3373 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2057 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 989 IncrementalHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 1615 mSDtfsCounter, 989 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=1635occurred 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: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 102 LocationsWithAnnotation, 2762 PreInvPairs, 2959 NumberOfFragments, 431 HoareAnnotationTreeSize, 2762 FomulaSimplifications, 444 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 102 FomulaSimplificationsInter, 4314 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s 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: 1 - 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! [2022-11-03 01:47:44,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b438563-3b79-4a71-a00a-e486f7cca0d7/bin/utaipan-7li7fVZpFI/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