./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:47:40,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:47:40,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:47:40,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:47:40,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:47:40,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:47:40,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:47:40,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:47:40,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:47:40,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:47:40,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:47:40,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:47:40,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:47:40,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:47:40,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:47:40,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:47:40,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:47:40,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:47:40,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:47:40,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:47:40,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:47:40,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:47:40,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:47:40,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:47:40,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:47:40,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:47:40,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:47:40,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:47:40,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:47:40,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:47:40,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:47:40,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:47:40,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:47:40,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:47:40,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:47:40,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:47:40,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:47:40,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:47:40,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:47:40,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:47:40,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:47:40,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:47:40,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:47:40,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:47:40,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:47:40,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:47:40,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:47:40,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:47:40,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:47:40,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:47:40,421 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:47:40,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:47:40,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:47:40,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:47:40,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:47:40,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:47:40,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:47:40,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:47:40,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:47:40,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:47:40,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:47:40,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:47:40,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:47:40,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:47:40,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:47:40,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:47:40,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:47:40,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:47:40,433 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_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb979a4b5fcdd2bc35e4615912af4a15806605c7277bcadcde1900230fbf647 [2021-12-06 17:47:40,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:47:40,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:47:40,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:47:40,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:47:40,635 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:47:40,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 17:47:40,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/data/90995c668/d5d3ee26679a4fc8b9adb4fe8ba50545/FLAG12c06e15f [2021-12-06 17:47:41,344 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:47:41,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 17:47:41,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/data/90995c668/d5d3ee26679a4fc8b9adb4fe8ba50545/FLAG12c06e15f [2021-12-06 17:47:41,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/data/90995c668/d5d3ee26679a4fc8b9adb4fe8ba50545 [2021-12-06 17:47:41,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:47:41,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:47:41,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:41,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:47:41,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:47:41,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:41" (1/1) ... [2021-12-06 17:47:41,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6017b3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:41, skipping insertion in model container [2021-12-06 17:47:41,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:41" (1/1) ... [2021-12-06 17:47:41,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:47:41,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:47:45,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2021-12-06 17:47:45,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2021-12-06 17:47:45,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2021-12-06 17:47:45,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2021-12-06 17:47:45,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:45,730 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:47:46,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546685,546698] [2021-12-06 17:47:46,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546832,546845] [2021-12-06 17:47:46,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[546971,546984] [2021-12-06 17:47:46,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i[547129,547142] [2021-12-06 17:47:46,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:46,411 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:47:46,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46 WrapperNode [2021-12-06 17:47:46,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:46,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:46,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:47:46,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:47:46,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:46,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:46,755 INFO L137 Inliner]: procedures = 603, calls = 5908, calls flagged for inlining = 318, calls inlined = 308, statements flattened = 12748 [2021-12-06 17:47:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:46,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:47:46,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:47:46,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:47:46,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:46,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:46,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:46,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:47,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:47,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:47,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:47,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:47:47,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:47:47,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:47:47,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:47:47,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (1/1) ... [2021-12-06 17:47:47,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:47:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:47,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b0f1a2-e6fb-4408-826e-24b587d66f39/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:47:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-06 17:47:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-06 17:47:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-06 17:47:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-06 17:47:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 17:47:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 17:47:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-06 17:47:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-06 17:47:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-06 17:47:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 17:47:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 17:47:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-06 17:47:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 17:47:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-06 17:47:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-06 17:47:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 17:47:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 17:47:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 17:47:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 17:47:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-06 17:47:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-06 17:47:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 17:47:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 17:47:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:47:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 17:47:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 17:47:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 17:47:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 17:47:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 17:47:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 17:47:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 17:47:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-06 17:47:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-06 17:47:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 17:47:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 17:47:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:47:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:47:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 17:47:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 17:47:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-06 17:47:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-06 17:47:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 17:47:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 17:47:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-06 17:47:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-06 17:47:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-06 17:47:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:47:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-06 17:47:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-06 17:47:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-06 17:47:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-06 17:47:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 17:47:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 17:47:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-06 17:47:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-06 17:47:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 17:47:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 17:47:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-06 17:47:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-06 17:47:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-06 17:47:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-06 17:47:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 17:47:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 17:47:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-06 17:47:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-06 17:47:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:47:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-06 17:47:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-06 17:47:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-06 17:47:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-06 17:47:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 17:47:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 17:47:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 17:47:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 17:47:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-06 17:47:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 17:47:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 17:47:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 17:47:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 17:47:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 17:47:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 17:47:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-06 17:47:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 17:47:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-06 17:47:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-06 17:47:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-06 17:47:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-06 17:47:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-06 17:47:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-06 17:47:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-06 17:47:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 17:47:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 17:47:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 17:47:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 17:47:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-06 17:47:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-06 17:47:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 17:47:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 17:47:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-06 17:47:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-06 17:47:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:47:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-06 17:47:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-06 17:47:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-06 17:47:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-06 17:47:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-06 17:47:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 17:47:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 17:47:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:47:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:47:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-06 17:47:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-06 17:47:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 17:47:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 17:47:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-06 17:47:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-06 17:47:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 17:47:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 17:47:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-06 17:47:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-06 17:47:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 17:47:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 17:47:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 17:47:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 17:47:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 17:47:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 17:47:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-06 17:47:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-06 17:47:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-06 17:47:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-06 17:47:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-06 17:47:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-06 17:47:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 17:47:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-06 17:47:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-06 17:47:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-06 17:47:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-06 17:47:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 17:47:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 17:47:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 17:47:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 17:47:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 17:47:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 17:47:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 17:47:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 17:47:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-06 17:47:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-06 17:47:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-06 17:47:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-06 17:47:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 17:47:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 17:47:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 17:47:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 17:47:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:47:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-06 17:47:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-06 17:47:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-06 17:47:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-06 17:47:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 17:47:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 17:47:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-06 17:47:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-06 17:47:48,138 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:47:48,143 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:47:48,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:59:25,115 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 17:59:25,234 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:59:25,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:59:25,260 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 17:59:25,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:59:25 BoogieIcfgContainer [2021-12-06 17:59:25,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:59:25,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:59:25,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:59:25,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:59:25,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:47:41" (1/3) ... [2021-12-06 17:59:25,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d98aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:59:25, skipping insertion in model container [2021-12-06 17:59:25,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:46" (2/3) ... [2021-12-06 17:59:25,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d98aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:59:25, skipping insertion in model container [2021-12-06 17:59:25,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:59:25" (3/3) ... [2021-12-06 17:59:25,271 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 17:59:25,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:59:25,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-06 17:59:25,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:59:25,341 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:59:25,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 17:59:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 5182 states, 3331 states have (on average 1.3038126688682077) internal successors, (4343), 3450 states have internal predecessors, (4343), 1639 states have call successors, (1639), 211 states have call predecessors, (1639), 210 states have return successors, (1628), 1598 states have call predecessors, (1628), 1628 states have call successors, (1628) [2021-12-06 17:59:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-06 17:59:25,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:25,444 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:25,445 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:59:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1503809161, now seen corresponding path program 1 times [2021-12-06 17:59:25,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:25,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433499677] [2021-12-06 17:59:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:25,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 17:59:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:59:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 17:59:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 17:59:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 17:59:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:59:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:59:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 17:59:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 17:59:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 17:59:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 17:59:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 17:59:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 17:59:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 17:59:27,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:27,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433499677] [2021-12-06 17:59:27,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433499677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:27,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:27,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:27,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705733818] [2021-12-06 17:59:27,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:27,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:27,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:27,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:27,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:27,502 INFO L87 Difference]: Start difference. First operand has 5182 states, 3331 states have (on average 1.3038126688682077) internal successors, (4343), 3450 states have internal predecessors, (4343), 1639 states have call successors, (1639), 211 states have call predecessors, (1639), 210 states have return successors, (1628), 1598 states have call predecessors, (1628), 1628 states have call successors, (1628) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 17:59:29,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:31,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:04,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:04,401 INFO L93 Difference]: Finished difference Result 16176 states and 24211 transitions. [2021-12-06 18:00:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:00:04,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 291 [2021-12-06 18:00:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:04,495 INFO L225 Difference]: With dead ends: 16176 [2021-12-06 18:00:04,495 INFO L226 Difference]: Without dead ends: 11029 [2021-12-06 18:00:04,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:00:04,535 INFO L933 BasicCegarLoop]: 8218 mSDtfsCounter, 9786 mSDsluCounter, 8170 mSDsCounter, 0 mSdLazyCounter, 5774 mSolverCounterSat, 5483 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11428 SdHoareTripleChecker+Valid, 16388 SdHoareTripleChecker+Invalid, 11259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5483 IncrementalHoareTripleChecker+Valid, 5774 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:04,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11428 Valid, 16388 Invalid, 11259 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5483 Valid, 5774 Invalid, 2 Unknown, 0 Unchecked, 35.9s Time] [2021-12-06 18:00:04,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11029 states. [2021-12-06 18:00:05,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11029 to 10153. [2021-12-06 18:00:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10153 states, 6522 states have (on average 1.2946948788715118) internal successors, (8444), 6755 states have internal predecessors, (8444), 3212 states have call successors, (3212), 418 states have call predecessors, (3212), 417 states have return successors, (3209), 3149 states have call predecessors, (3209), 3209 states have call successors, (3209) [2021-12-06 18:00:05,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10153 states to 10153 states and 14865 transitions. [2021-12-06 18:00:05,246 INFO L78 Accepts]: Start accepts. Automaton has 10153 states and 14865 transitions. Word has length 291 [2021-12-06 18:00:05,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:05,249 INFO L470 AbstractCegarLoop]: Abstraction has 10153 states and 14865 transitions. [2021-12-06 18:00:05,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:00:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 10153 states and 14865 transitions. [2021-12-06 18:00:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-06 18:00:05,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:05,262 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:05,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:00:05,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:05,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:05,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1384583049, now seen corresponding path program 1 times [2021-12-06 18:00:05,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:05,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830975465] [2021-12-06 18:00:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:05,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:00:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:00:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:00:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:00:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:00:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:00:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:00:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:00:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:00:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:00:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:00:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:00:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:00:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:00:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:00:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:00:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:00:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:00:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:00:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:00:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:00:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:00:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:00:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:00:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:00:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 18:00:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:00:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:00:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-06 18:00:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2021-12-06 18:00:06,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:06,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830975465] [2021-12-06 18:00:06,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830975465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:06,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:06,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:00:06,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905636731] [2021-12-06 18:00:06,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:06,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:00:06,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:06,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:00:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:00:06,655 INFO L87 Difference]: Start difference. First operand 10153 states and 14865 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-06 18:00:08,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:11,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:45,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:45,156 INFO L93 Difference]: Finished difference Result 26527 states and 39074 transitions. [2021-12-06 18:00:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:00:45,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2021-12-06 18:00:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:45,272 INFO L225 Difference]: With dead ends: 26527 [2021-12-06 18:00:45,272 INFO L226 Difference]: Without dead ends: 16427 [2021-12-06 18:00:45,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:00:45,320 INFO L933 BasicCegarLoop]: 8098 mSDtfsCounter, 9672 mSDsluCounter, 8105 mSDsCounter, 0 mSdLazyCounter, 5784 mSolverCounterSat, 5495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11309 SdHoareTripleChecker+Valid, 16203 SdHoareTripleChecker+Invalid, 11281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5495 IncrementalHoareTripleChecker+Valid, 5784 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:45,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11309 Valid, 16203 Invalid, 11281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5495 Valid, 5784 Invalid, 2 Unknown, 0 Unchecked, 37.5s Time] [2021-12-06 18:00:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16427 states. [2021-12-06 18:00:46,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16427 to 15105. [2021-12-06 18:00:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15105 states, 9702 states have (on average 1.2935477221191507) internal successors, (12550), 10055 states have internal predecessors, (12550), 4774 states have call successors, (4774), 628 states have call predecessors, (4774), 627 states have return successors, (4771), 4676 states have call predecessors, (4771), 4771 states have call successors, (4771) [2021-12-06 18:00:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15105 states to 15105 states and 22095 transitions. [2021-12-06 18:00:46,101 INFO L78 Accepts]: Start accepts. Automaton has 15105 states and 22095 transitions. Word has length 327 [2021-12-06 18:00:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:46,102 INFO L470 AbstractCegarLoop]: Abstraction has 15105 states and 22095 transitions. [2021-12-06 18:00:46,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-06 18:00:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 15105 states and 22095 transitions. [2021-12-06 18:00:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-06 18:00:46,112 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:46,112 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:46,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:00:46,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:46,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1324908439, now seen corresponding path program 1 times [2021-12-06 18:00:46,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:46,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215147738] [2021-12-06 18:00:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:00:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:00:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:00:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:00:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:00:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:00:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:00:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:00:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:00:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:00:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:00:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:00:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:00:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:00:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:00:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:00:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:00:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:00:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:00:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:00:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:00:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:00:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:00:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:00:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:00:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 18:00:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:00:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 18:00:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 18:00:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2853 trivial. 0 not checked. [2021-12-06 18:00:47,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:47,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215147738] [2021-12-06 18:00:47,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215147738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:47,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:47,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:00:47,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099649140] [2021-12-06 18:00:47,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:47,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:00:47,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:47,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:00:47,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:00:47,362 INFO L87 Difference]: Start difference. First operand 15105 states and 22095 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-06 18:00:49,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:51,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:24,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:24,461 INFO L93 Difference]: Finished difference Result 41109 states and 60469 transitions. [2021-12-06 18:01:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:01:24,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 335 [2021-12-06 18:01:24,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:24,606 INFO L225 Difference]: With dead ends: 41109 [2021-12-06 18:01:24,606 INFO L226 Difference]: Without dead ends: 26057 [2021-12-06 18:01:24,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:01:24,663 INFO L933 BasicCegarLoop]: 8079 mSDtfsCounter, 9137 mSDsluCounter, 8105 mSDsCounter, 0 mSdLazyCounter, 5710 mSolverCounterSat, 5371 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10681 SdHoareTripleChecker+Valid, 16184 SdHoareTripleChecker+Invalid, 11083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5371 IncrementalHoareTripleChecker+Valid, 5710 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:24,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10681 Valid, 16184 Invalid, 11083 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5371 Valid, 5710 Invalid, 2 Unknown, 0 Unchecked, 36.0s Time] [2021-12-06 18:01:24,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26057 states. [2021-12-06 18:01:25,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26057 to 23873. [2021-12-06 18:01:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23873 states, 15259 states have (on average 1.2878956681302838) internal successors, (19652), 15825 states have internal predecessors, (19652), 7595 states have call successors, (7595), 1020 states have call predecessors, (7595), 1017 states have return successors, (7592), 7428 states have call predecessors, (7592), 7592 states have call successors, (7592) [2021-12-06 18:01:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23873 states to 23873 states and 34839 transitions. [2021-12-06 18:01:25,780 INFO L78 Accepts]: Start accepts. Automaton has 23873 states and 34839 transitions. Word has length 335 [2021-12-06 18:01:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:25,780 INFO L470 AbstractCegarLoop]: Abstraction has 23873 states and 34839 transitions. [2021-12-06 18:01:25,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-06 18:01:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23873 states and 34839 transitions. [2021-12-06 18:01:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-06 18:01:25,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:25,794 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:25,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:01:25,794 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash 207863834, now seen corresponding path program 1 times [2021-12-06 18:01:25,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:25,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574763879] [2021-12-06 18:01:25,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:25,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:01:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:01:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:01:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:01:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:01:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:01:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:01:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:01:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:01:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:01:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:01:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:01:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:01:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:01:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:01:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:01:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:01:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:01:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:01:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:01:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:01:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:01:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:01:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:01:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 18:01:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 18:01:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 18:01:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:01:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 18:01:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 18:01:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-06 18:01:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 18:01:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-06 18:01:27,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:27,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574763879] [2021-12-06 18:01:27,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574763879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:27,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:27,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:01:27,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736619170] [2021-12-06 18:01:27,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:27,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:27,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:27,024 INFO L87 Difference]: Start difference. First operand 23873 states and 34839 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 18:01:29,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:31,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []