./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 4e7fbc69 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_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/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_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:11:58,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:11:58,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:11:58,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:11:58,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:11:58,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:11:58,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:11:58,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:11:58,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:11:58,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:11:58,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:11:58,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:11:58,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:11:58,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:11:58,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:11:58,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:11:58,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:11:58,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:11:58,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:11:58,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:11:58,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:11:58,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:11:58,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:11:58,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:11:58,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:11:58,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:11:58,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:11:58,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:11:58,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:11:58,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:11:58,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:11:58,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:11:58,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:11:58,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:11:58,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:11:58,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:11:58,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:11:58,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:11:58,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:11:58,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:11:58,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:11:58,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:11:58,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:11:58,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:11:58,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:11:58,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:11:58,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:11:58,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:11:58,475 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:11:58,475 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:11:58,475 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:11:58,475 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:11:58,476 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:11:58,477 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:11:58,477 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:11:58,477 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:11:58,477 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:11:58,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:11:58,478 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:11:58,478 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:11:58,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:11:58,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:11:58,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:11:58,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:11:58,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:11:58,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:11:58,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:11:58,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:11:58,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:11:58,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:11:58,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:11:58,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:11:58,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:11:58,482 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:11:58,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:11:58,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:11:58,483 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:11:58,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:11:58,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:11:58,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:11:58,484 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_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-11-23 15:11:58,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:11:58,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:11:58,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:11:58,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:11:58,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:11:58,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 15:12:01,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:12:02,522 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:12:02,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/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 [2022-11-23 15:12:02,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/data/e5f492091/19fd370f38bd406695ca2ae81c7c15db/FLAGd018a653d [2022-11-23 15:12:02,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/data/e5f492091/19fd370f38bd406695ca2ae81c7c15db [2022-11-23 15:12:02,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:12:02,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:12:02,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:12:02,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:12:02,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:12:02,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:02" (1/1) ... [2022-11-23 15:12:02,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f64d482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:02, skipping insertion in model container [2022-11-23 15:12:02,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:02" (1/1) ... [2022-11-23 15:12:02,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:12:02,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:12:03,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/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] [2022-11-23 15:12:03,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:12:03,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:12:04,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/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] [2022-11-23 15:12:04,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:12:04,199 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:12:04,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04 WrapperNode [2022-11-23 15:12:04,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:12:04,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:12:04,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:12:04,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:12:04,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,359 INFO L138 Inliner]: procedures = 125, calls = 351, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1053 [2022-11-23 15:12:04,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:12:04,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:12:04,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:12:04,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:12:04,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:12:04,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:12:04,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:12:04,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:12:04,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (1/1) ... [2022-11-23 15:12:04,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:12:04,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:04,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:12:04,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:12:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:12:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:12:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:12:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:12:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:12:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:12:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-23 15:12:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-23 15:12:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-23 15:12:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-23 15:12:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-11-23 15:12:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-11-23 15:12:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-23 15:12:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-23 15:12:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:12:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:12:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-23 15:12:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-23 15:12:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:12:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:12:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:12:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-23 15:12:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-23 15:12:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:12:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:12:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-23 15:12:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-23 15:12:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:12:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:12:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:12:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:12:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-11-23 15:12:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-11-23 15:12:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:12:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 15:12:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 15:12:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:12:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:12:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:12:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:12:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:12:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:12:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-23 15:12:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-23 15:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-23 15:12:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-23 15:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:12:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:12:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:12:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:12:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:12:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:12:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-11-23 15:12:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-11-23 15:12:05,102 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:12:05,105 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:12:05,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:12:07,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:12:07,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:12:07,501 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:12:07,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:07 BoogieIcfgContainer [2022-11-23 15:12:07,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:12:07,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:12:07,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:12:07,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:12:07,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:12:02" (1/3) ... [2022-11-23 15:12:07,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f5a78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:07, skipping insertion in model container [2022-11-23 15:12:07,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:04" (2/3) ... [2022-11-23 15:12:07,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f5a78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:07, skipping insertion in model container [2022-11-23 15:12:07,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:07" (3/3) ... [2022-11-23 15:12:07,515 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 [2022-11-23 15:12:07,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:12:07,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:12:07,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:12:07,607 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;@7abc1473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:12:07,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:12:07,613 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) [2022-11-23 15:12:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 15:12:07,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:07,621 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] [2022-11-23 15:12:07,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:07,626 INFO L85 PathProgramCache]: Analyzing trace with hash 265313630, now seen corresponding path program 1 times [2022-11-23 15:12:07,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:07,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891751473] [2022-11-23 15:12:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 15:12:08,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891751473] [2022-11-23 15:12:08,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891751473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:08,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:08,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:12:08,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752420553] [2022-11-23 15:12:08,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:08,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:08,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:08,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:08,333 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) [2022-11-23 15:12:09,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:09,908 INFO L93 Difference]: Finished difference Result 614 states and 887 transitions. [2022-11-23 15:12:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:09,916 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 [2022-11-23 15:12:09,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:09,931 INFO L225 Difference]: With dead ends: 614 [2022-11-23 15:12:09,931 INFO L226 Difference]: Without dead ends: 396 [2022-11-23 15:12:09,946 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 [2022-11-23 15:12:09,955 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 268 mSDsluCounter, 250 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:09,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 550 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 15:12:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-23 15:12:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2022-11-23 15:12:10,078 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) [2022-11-23 15:12:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2022-11-23 15:12:10,087 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 33 [2022-11-23 15:12:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:10,093 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2022-11-23 15:12:10,094 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) [2022-11-23 15:12:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2022-11-23 15:12:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 15:12:10,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:10,100 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] [2022-11-23 15:12:10,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:12:10,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 493506513, now seen corresponding path program 1 times [2022-11-23 15:12:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829549852] [2022-11-23 15:12:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 15:12:10,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:10,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829549852] [2022-11-23 15:12:10,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829549852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:10,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:10,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:12:10,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458366915] [2022-11-23 15:12:10,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:10,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:12:10,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:10,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:12:10,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:12:10,489 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) [2022-11-23 15:12:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:11,814 INFO L93 Difference]: Finished difference Result 780 states and 1104 transitions. [2022-11-23 15:12:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:12:11,814 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 [2022-11-23 15:12:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:11,821 INFO L225 Difference]: With dead ends: 780 [2022-11-23 15:12:11,821 INFO L226 Difference]: Without dead ends: 775 [2022-11-23 15:12:11,822 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 [2022-11-23 15:12:11,823 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 274 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:11,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 811 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:12:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-23 15:12:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 769. [2022-11-23 15:12:11,888 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) [2022-11-23 15:12:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1089 transitions. [2022-11-23 15:12:11,894 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1089 transitions. Word has length 42 [2022-11-23 15:12:11,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:11,895 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 1089 transitions. [2022-11-23 15:12:11,895 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) [2022-11-23 15:12:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1089 transitions. [2022-11-23 15:12:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-23 15:12:11,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:11,903 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] [2022-11-23 15:12:11,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:12:11,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:11,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1703520507, now seen corresponding path program 1 times [2022-11-23 15:12:11,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:11,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316268666] [2022-11-23 15:12:11,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:11,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-23 15:12:12,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:12,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316268666] [2022-11-23 15:12:12,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316268666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:12,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:12,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:12:12,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924076899] [2022-11-23 15:12:12,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:12,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:12,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:12,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:12,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:12,104 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) [2022-11-23 15:12:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:13,277 INFO L93 Difference]: Finished difference Result 1683 states and 2388 transitions. [2022-11-23 15:12:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:13,278 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 [2022-11-23 15:12:13,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:13,284 INFO L225 Difference]: With dead ends: 1683 [2022-11-23 15:12:13,284 INFO L226 Difference]: Without dead ends: 926 [2022-11-23 15:12:13,287 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 [2022-11-23 15:12:13,288 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 222 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:13,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 481 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:12:13,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-11-23 15:12:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 921. [2022-11-23 15:12:13,341 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) [2022-11-23 15:12:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1307 transitions. [2022-11-23 15:12:13,347 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1307 transitions. Word has length 138 [2022-11-23 15:12:13,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:13,348 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1307 transitions. [2022-11-23 15:12:13,348 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) [2022-11-23 15:12:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1307 transitions. [2022-11-23 15:12:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-23 15:12:13,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:13,352 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] [2022-11-23 15:12:13,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:12:13,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:13,354 INFO L85 PathProgramCache]: Analyzing trace with hash -586308607, now seen corresponding path program 1 times [2022-11-23 15:12:13,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:13,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955275588] [2022-11-23 15:12:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-23 15:12:13,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:13,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955275588] [2022-11-23 15:12:13,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955275588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:13,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:13,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:12:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561546084] [2022-11-23 15:12:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:13,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:13,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:13,590 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) [2022-11-23 15:12:14,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:14,787 INFO L93 Difference]: Finished difference Result 2525 states and 3582 transitions. [2022-11-23 15:12:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:14,791 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 [2022-11-23 15:12:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:14,799 INFO L225 Difference]: With dead ends: 2525 [2022-11-23 15:12:14,800 INFO L226 Difference]: Without dead ends: 1624 [2022-11-23 15:12:14,803 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 [2022-11-23 15:12:14,804 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 252 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:14,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 550 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:12:14,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-11-23 15:12:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1619. [2022-11-23 15:12:14,923 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) [2022-11-23 15:12:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2275 transitions. [2022-11-23 15:12:14,933 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2275 transitions. Word has length 156 [2022-11-23 15:12:14,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:14,934 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2275 transitions. [2022-11-23 15:12:14,934 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) [2022-11-23 15:12:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2275 transitions. [2022-11-23 15:12:14,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-23 15:12:14,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:14,941 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] [2022-11-23 15:12:14,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:12:14,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:14,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash -254222081, now seen corresponding path program 1 times [2022-11-23 15:12:14,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:14,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898999651] [2022-11-23 15:12:14,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:14,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:12:15,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:15,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898999651] [2022-11-23 15:12:15,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898999651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:15,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:15,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:12:15,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070046733] [2022-11-23 15:12:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:15,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:15,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:12:15,208 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) [2022-11-23 15:12:16,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:17,602 INFO L93 Difference]: Finished difference Result 2443 states and 3456 transitions. [2022-11-23 15:12:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:17,603 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 [2022-11-23 15:12:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:17,611 INFO L225 Difference]: With dead ends: 2443 [2022-11-23 15:12:17,611 INFO L226 Difference]: Without dead ends: 1635 [2022-11-23 15:12:17,615 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 [2022-11-23 15:12:17,616 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 4 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:17,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 492 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:12:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2022-11-23 15:12:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2022-11-23 15:12:17,690 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) [2022-11-23 15:12:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2291 transitions. [2022-11-23 15:12:17,699 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2291 transitions. Word has length 156 [2022-11-23 15:12:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:17,715 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2291 transitions. [2022-11-23 15:12:17,715 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) [2022-11-23 15:12:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2291 transitions. [2022-11-23 15:12:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-23 15:12:17,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:17,720 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] [2022-11-23 15:12:17,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:12:17,720 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:17,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1455097649, now seen corresponding path program 1 times [2022-11-23 15:12:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:17,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475955062] [2022-11-23 15:12:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:12:18,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:18,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475955062] [2022-11-23 15:12:18,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475955062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:18,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:12:18,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:12:18,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932337329] [2022-11-23 15:12:18,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:18,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:12:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:12:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:12:18,536 INFO L87 Difference]: Start difference. First operand 1635 states and 2291 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2022-11-23 15:12:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:22,680 INFO L93 Difference]: Finished difference Result 2422 states and 3409 transitions. [2022-11-23 15:12:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:12:22,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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 [2022-11-23 15:12:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:22,685 INFO L225 Difference]: With dead ends: 2422 [2022-11-23 15:12:22,685 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:12:22,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:12:22,693 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 309 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:22,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 495 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 15:12:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:12:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:12:22,696 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) [2022-11-23 15:12:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:12:22,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2022-11-23 15:12:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:22,697 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:12:22,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2022-11-23 15:12:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:12:22,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:12:22,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:12:22,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:12:22,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:12:24,077 INFO L902 garLoopResultBuilder]: At program point skb_putENTRY(lines 6624 6628) the Hoare annotation is: true [2022-11-23 15:12:24,078 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2022-11-23 15:12:24,078 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5677 5683) the Hoare annotation is: true [2022-11-23 15:12:24,078 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2022-11-23 15:12:24,078 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2022-11-23 15:12:24,078 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-23 15:12:24,078 INFO L902 garLoopResultBuilder]: At program point skb_pullENTRY(lines 6618 6620) the Hoare annotation is: true [2022-11-23 15:12:24,078 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2022-11-23 15:12:24,078 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2022-11-23 15:12:24,079 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2022-11-23 15:12:24,079 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5684 5690) the Hoare annotation is: true [2022-11-23 15:12:24,079 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5691 5696) the Hoare annotation is: true [2022-11-23 15:12:24,079 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2022-11-23 15:12:24,079 INFO L902 garLoopResultBuilder]: At program point usbnet_disconnectENTRY(lines 6655 6657) the Hoare annotation is: true [2022-11-23 15:12:24,079 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2022-11-23 15:12:24,079 INFO L902 garLoopResultBuilder]: At program point put_unaligned_le16ENTRY(lines 5748 5754) the Hoare annotation is: true [2022-11-23 15:12:24,079 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2022-11-23 15:12:24,079 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2022-11-23 15:12:24,080 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2022-11-23 15:12:24,080 INFO L902 garLoopResultBuilder]: At program point skb_pushENTRY(lines 6621 6623) the Hoare annotation is: true [2022-11-23 15:12:24,080 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2022-11-23 15:12:24,080 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2022-11-23 15:12:24,080 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2022-11-23 15:12:24,080 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2022-11-23 15:12:24,080 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2022-11-23 15:12:24,080 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)) [2022-11-23 15:12:24,081 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2022-11-23 15:12:24,081 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2022-11-23 15:12:24,081 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2022-11-23 15:12:24,081 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))) [2022-11-23 15:12:24,081 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2022-11-23 15:12:24,081 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:12:24,081 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 15:12:24,081 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:12:24,082 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2022-11-23 15:12:24,082 INFO L902 garLoopResultBuilder]: At program point skb_cloneENTRY(lines 6612 6614) the Hoare annotation is: true [2022-11-23 15:12:24,082 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-23 15:12:24,082 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-11-23 15:12:24,082 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5624 5626) the Hoare annotation is: true [2022-11-23 15:12:24,082 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2022-11-23 15:12:24,082 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)) [2022-11-23 15:12:24,082 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2022-11-23 15:12:24,082 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)) [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2022-11-23 15:12:24,083 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 6641 6643) the Hoare annotation is: true [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2022-11-23 15:12:24,083 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)) [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2022-11-23 15:12:24,083 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)) [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2022-11-23 15:12:24,083 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2022-11-23 15:12:24,084 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2022-11-23 15:12:24,084 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)) [2022-11-23 15:12:24,084 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)) [2022-11-23 15:12:24,084 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-23 15:12:24,084 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)) [2022-11-23 15:12:24,084 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)) [2022-11-23 15:12:24,084 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2022-11-23 15:12:24,084 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2022-11-23 15:12:24,084 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2022-11-23 15:12:24,085 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2022-11-23 15:12:24,085 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)) [2022-11-23 15:12:24,085 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2022-11-23 15:12:24,085 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2022-11-23 15:12:24,085 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2022-11-23 15:12:24,085 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2022-11-23 15:12:24,085 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)) [2022-11-23 15:12:24,085 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)) [2022-11-23 15:12:24,085 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)) [2022-11-23 15:12:24,086 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)) [2022-11-23 15:12:24,086 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2022-11-23 15:12:24,086 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2022-11-23 15:12:24,086 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)) [2022-11-23 15:12:24,086 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)) [2022-11-23 15:12:24,096 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5968) no Hoare annotation was computed. [2022-11-23 15:12:24,096 INFO L899 garLoopResultBuilder]: For program point L5986-1(line 5986) no Hoare annotation was computed. [2022-11-23 15:12:24,096 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)) [2022-11-23 15:12:24,096 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2022-11-23 15:12:24,097 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)) [2022-11-23 15:12:24,097 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2022-11-23 15:12:24,097 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2022-11-23 15:12:24,097 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)) [2022-11-23 15:12:24,097 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)) [2022-11-23 15:12:24,098 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2022-11-23 15:12:24,098 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2022-11-23 15:12:24,099 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2022-11-23 15:12:24,099 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)) [2022-11-23 15:12:24,099 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)) [2022-11-23 15:12:24,099 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)) [2022-11-23 15:12:24,099 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)) [2022-11-23 15:12:24,100 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)) [2022-11-23 15:12:24,100 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2022-11-23 15:12:24,100 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)) [2022-11-23 15:12:24,100 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2022-11-23 15:12:24,100 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2022-11-23 15:12:24,100 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2022-11-23 15:12:24,101 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)) [2022-11-23 15:12:24,101 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)) [2022-11-23 15:12:24,101 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)) [2022-11-23 15:12:24,101 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)) [2022-11-23 15:12:24,101 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2022-11-23 15:12:24,101 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5627 5643) the Hoare annotation is: true [2022-11-23 15:12:24,102 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2022-11-23 15:12:24,102 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2022-11-23 15:12:24,102 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2022-11-23 15:12:24,102 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2022-11-23 15:12:24,102 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2022-11-23 15:12:24,102 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2022-11-23 15:12:24,103 INFO L902 garLoopResultBuilder]: At program point crc32_leENTRY(lines 6597 6599) the Hoare annotation is: true [2022-11-23 15:12:24,103 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2022-11-23 15:12:24,103 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2022-11-23 15:12:24,103 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2022-11-23 15:12:24,103 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2022-11-23 15:12:24,103 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5644 5660) the Hoare annotation is: true [2022-11-23 15:12:24,104 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2022-11-23 15:12:24,104 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2022-11-23 15:12:24,104 INFO L902 garLoopResultBuilder]: At program point skb_trimENTRY(lines 6629 6631) the Hoare annotation is: true [2022-11-23 15:12:24,104 INFO L895 garLoopResultBuilder]: At program point L6229(lines 6229 6243) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,104 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2022-11-23 15:12:24,105 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2022-11-23 15:12:24,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:12:24,105 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,105 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2022-11-23 15:12:24,105 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-23 15:12:24,106 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2022-11-23 15:12:24,106 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2022-11-23 15:12:24,107 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2022-11-23 15:12:24,107 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2022-11-23 15:12:24,108 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-23 15:12:24,108 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2022-11-23 15:12:24,108 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2022-11-23 15:12:24,108 INFO L895 garLoopResultBuilder]: At program point L6199(line 6199) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,108 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2022-11-23 15:12:24,109 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2022-11-23 15:12:24,110 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-11-23 15:12:24,110 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2022-11-23 15:12:24,110 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)) [2022-11-23 15:12:24,110 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2022-11-23 15:12:24,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:12:24,111 INFO L895 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,111 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2022-11-23 15:12:24,111 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2022-11-23 15:12:24,112 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-23 15:12:24,112 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2022-11-23 15:12:24,112 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2022-11-23 15:12:24,112 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2022-11-23 15:12:24,113 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,113 INFO L895 garLoopResultBuilder]: At program point L6154(line 6154) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,113 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2022-11-23 15:12:24,113 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2022-11-23 15:12:24,114 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2022-11-23 15:12:24,114 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-23 15:12:24,114 INFO L902 garLoopResultBuilder]: At program point L6584-1(lines 6577 6588) the Hoare annotation is: true [2022-11-23 15:12:24,114 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)) [2022-11-23 15:12:24,114 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2022-11-23 15:12:24,114 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6221 6226) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,115 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2022-11-23 15:12:24,115 INFO L895 garLoopResultBuilder]: At program point L6189(line 6189) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,115 INFO L895 garLoopResultBuilder]: At program point L6239(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,115 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-23 15:12:24,115 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2022-11-23 15:12:24,116 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,116 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-11-23 15:12:24,116 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-23 15:12:24,116 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-11-23 15:12:24,116 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-23 15:12:24,116 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2022-11-23 15:12:24,117 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-23 15:12:24,117 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2022-11-23 15:12:24,117 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2022-11-23 15:12:24,117 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-23 15:12:24,118 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2022-11-23 15:12:24,119 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-23 15:12:24,119 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)) [2022-11-23 15:12:24,119 INFO L895 garLoopResultBuilder]: At program point L6291(line 6291) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,119 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-23 15:12:24,119 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2022-11-23 15:12:24,119 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2022-11-23 15:12:24,120 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2022-11-23 15:12:24,120 INFO L895 garLoopResultBuilder]: At program point L6309(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,120 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2022-11-23 15:12:24,120 INFO L895 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: (= ~last_index~0 0) [2022-11-23 15:12:24,120 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2022-11-23 15:12:24,120 INFO L902 garLoopResultBuilder]: At program point dev_kfree_skb_anyENTRY(lines 5716 5722) the Hoare annotation is: true [2022-11-23 15:12:24,121 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2022-11-23 15:12:24,121 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2022-11-23 15:12:24,121 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2022-11-23 15:12:24,121 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2022-11-23 15:12:24,121 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2022-11-23 15:12:24,121 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2022-11-23 15:12:24,122 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-11-23 15:12:24,122 INFO L899 garLoopResultBuilder]: For program point L5917-1(lines 5875 5924) no Hoare annotation was computed. [2022-11-23 15:12:24,122 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2022-11-23 15:12:24,122 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2022-11-23 15:12:24,123 INFO L902 garLoopResultBuilder]: At program point L5885(lines 5885 5902) the Hoare annotation is: true [2022-11-23 15:12:24,123 INFO L902 garLoopResultBuilder]: At program point L5910(lines 5875 5924) the Hoare annotation is: true [2022-11-23 15:12:24,123 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2022-11-23 15:12:24,123 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-11-23 15:12:24,123 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-23 15:12:24,123 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2022-11-23 15:12:24,124 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2022-11-23 15:12:24,124 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 15:12:24,124 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2022-11-23 15:12:24,124 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2022-11-23 15:12:24,124 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-23 15:12:24,125 INFO L902 garLoopResultBuilder]: At program point eem_tx_fixupENTRY(lines 5860 5925) the Hoare annotation is: true [2022-11-23 15:12:24,125 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2022-11-23 15:12:24,126 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-11-23 15:12:24,126 INFO L902 garLoopResultBuilder]: At program point L5913-1(line 5913) the Hoare annotation is: true [2022-11-23 15:12:24,126 INFO L902 garLoopResultBuilder]: At program point L6616-1(line 6616) the Hoare annotation is: true [2022-11-23 15:12:24,126 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2022-11-23 15:12:24,126 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2022-11-23 15:12:24,130 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 15:12:24,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:12:24,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:12:24 BoogieIcfgContainer [2022-11-23 15:12:24,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:12:24,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:12:24,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:12:24,162 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:12:24,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:07" (3/4) ... [2022-11-23 15:12:24,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:12:24,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2022-11-23 15:12:24,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-23 15:12:24,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2022-11-23 15:12:24,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2022-11-23 15:12:24,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-23 15:12:24,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-23 15:12:24,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2022-11-23 15:12:24,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2022-11-23 15:12:24,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2022-11-23 15:12:24,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-23 15:12:24,201 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 215 nodes and edges [2022-11-23 15:12:24,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-11-23 15:12:24,205 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 15:12:24,207 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:12:24,208 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:12:24,210 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:12:24,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-23 15:12:24,249 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) [2022-11-23 15:12:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) [2022-11-23 15:12:24,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:12:24,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:12:24,382 INFO L158 Benchmark]: Toolchain (without parser) took 21796.09ms. Allocated memory was 161.5MB in the beginning and 350.2MB in the end (delta: 188.7MB). Free memory was 107.3MB in the beginning and 133.7MB in the end (delta: -26.4MB). Peak memory consumption was 165.0MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,382 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:12:24,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1613.06ms. Allocated memory was 161.5MB in the beginning and 230.7MB in the end (delta: 69.2MB). Free memory was 106.8MB in the beginning and 144.9MB in the end (delta: -38.1MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.45ms. Allocated memory is still 230.7MB. Free memory was 144.9MB in the beginning and 137.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,383 INFO L158 Benchmark]: Boogie Preprocessor took 153.99ms. Allocated memory is still 230.7MB. Free memory was 137.6MB in the beginning and 129.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,384 INFO L158 Benchmark]: RCFGBuilder took 2990.19ms. Allocated memory was 230.7MB in the beginning and 291.5MB in the end (delta: 60.8MB). Free memory was 129.1MB in the beginning and 167.0MB in the end (delta: -37.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,384 INFO L158 Benchmark]: TraceAbstraction took 16652.09ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 166.1MB in the beginning and 152.1MB in the end (delta: 14.0MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,385 INFO L158 Benchmark]: Witness Printer took 220.16ms. Allocated memory is still 350.2MB. Free memory was 152.1MB in the beginning and 133.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:12:24,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1613.06ms. Allocated memory was 161.5MB in the beginning and 230.7MB in the end (delta: 69.2MB). Free memory was 106.8MB in the beginning and 144.9MB in the end (delta: -38.1MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.45ms. Allocated memory is still 230.7MB. Free memory was 144.9MB in the beginning and 137.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.99ms. Allocated memory is still 230.7MB. Free memory was 137.6MB in the beginning and 129.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2990.19ms. Allocated memory was 230.7MB in the beginning and 291.5MB in the end (delta: 60.8MB). Free memory was 129.1MB in the beginning and 167.0MB in the end (delta: -37.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16652.09ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 166.1MB in the beginning and 152.1MB in the end (delta: 14.0MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Witness Printer took 220.16ms. Allocated memory is still 350.2MB. Free memory was 152.1MB in the beginning and 133.7MB in the end (delta: 18.4MB). 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: 16.6s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1188 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1182 mSDsluCounter, 3379 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1811 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1176 IncrementalHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 1568 mSDtfsCounter, 1176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 102 LocationsWithAnnotation, 2762 PreInvPairs, 2959 NumberOfFragments, 431 HoareAnnotationTreeSize, 2762 FomulaSimplifications, 444 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 102 FomulaSimplificationsInter, 4314 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 979 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! [2022-11-23 15:12:24,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2767e7a5-e862-49e1-bd74-e345c0786752/bin/utaipan-Q6hlc19bkW/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