./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_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_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/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_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/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_9fcbc236-cab5-493d-ad80-9b053a716658/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 3e38c61d1c464795efce121a15594b38d7ae9ca92941bd86e79b11c46faa6f8d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:26:50,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:26:50,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:26:50,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:26:50,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:26:50,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:26:50,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:26:50,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:26:50,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:26:50,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:26:50,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:26:50,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:26:50,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:26:50,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:26:50,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:26:50,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:26:50,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:26:50,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:26:50,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:26:50,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:26:50,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:26:50,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:26:50,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:26:50,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:26:50,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:26:50,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:26:50,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:26:50,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:26:50,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:26:50,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:26:50,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:26:50,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:26:50,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:26:50,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:26:50,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:26:50,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:26:50,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:26:50,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:26:50,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:26:50,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:26:50,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:26:50,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:26:50,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:26:50,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:26:50,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:26:50,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:26:50,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:26:50,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:26:50,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:26:50,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:26:50,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:26:50,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:26:50,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:26:50,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:26:50,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:26:50,631 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_9fcbc236-cab5-493d-ad80-9b053a716658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e38c61d1c464795efce121a15594b38d7ae9ca92941bd86e79b11c46faa6f8d [2021-12-06 20:26:50,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:26:50,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:26:50,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:26:50,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:26:50,832 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:26:50,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 20:26:50,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/data/22282bb23/60eab1e42aba4b78a14993870e64b02c/FLAG834d95b6d [2021-12-06 20:26:51,628 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:26:51,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 20:26:51,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/data/22282bb23/60eab1e42aba4b78a14993870e64b02c/FLAG834d95b6d [2021-12-06 20:26:51,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/data/22282bb23/60eab1e42aba4b78a14993870e64b02c [2021-12-06 20:26:51,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:26:51,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:26:51,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:26:51,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:26:51,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:26:51,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:26:51" (1/1) ... [2021-12-06 20:26:51,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ebb281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:51, skipping insertion in model container [2021-12-06 20:26:51,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:26:51" (1/1) ... [2021-12-06 20:26:51,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:26:52,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:26:56,283 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_9fcbc236-cab5-493d-ad80-9b053a716658/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577961,577974] [2021-12-06 20:26:56,285 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_9fcbc236-cab5-493d-ad80-9b053a716658/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[578106,578119] [2021-12-06 20:26:56,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:26:56,361 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:26:56,718 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_9fcbc236-cab5-493d-ad80-9b053a716658/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577961,577974] [2021-12-06 20:26:56,718 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_9fcbc236-cab5-493d-ad80-9b053a716658/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[578106,578119] [2021-12-06 20:26:56,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:26:56,917 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:26:56,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56 WrapperNode [2021-12-06 20:26:56,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:26:56,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:26:56,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:26:56,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:26:56,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,285 INFO L137 Inliner]: procedures = 704, calls = 6193, calls flagged for inlining = 335, calls inlined = 309, statements flattened = 12628 [2021-12-06 20:26:57,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:26:57,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:26:57,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:26:57,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:26:57,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:26:57,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:26:57,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:26:57,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:26:57,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (1/1) ... [2021-12-06 20:26:57,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:26:57,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:26:57,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:26:57,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:26:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-06 20:26:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-06 20:26:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_126 [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_126 [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-06 20:26:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 20:26:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_98 [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_98 [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_109 [2021-12-06 20:26:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_109 [2021-12-06 20:26:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_141 [2021-12-06 20:26:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_141 [2021-12-06 20:26:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-06 20:26:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-06 20:26:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_129 [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_129 [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_138 [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_138 [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 20:26:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-06 20:26:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-06 20:26:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-06 20:26:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:26:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 20:26:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 20:26:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 20:26:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_stats_poll [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_stats_poll [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 20:26:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 20:26:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 20:26:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:26:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-06 20:26:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-06 20:26:57,764 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-06 20:26:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-06 20:26:57,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 20:26:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-06 20:26:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 20:26:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-06 20:26:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 20:26:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:26:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-06 20:26:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-06 20:26:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_160 [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_160 [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-06 20:26:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-06 20:26:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-06 20:26:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_156 [2021-12-06 20:26:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_156 [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 20:26:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-06 20:26:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 20:26:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 20:26:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 20:26:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-06 20:26:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:26:57,773 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 20:26:57,773 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 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-06 20:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 20:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 20:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 20:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-06 20:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-06 20:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-06 20:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_97 [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_97 [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 20:26:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 20:26:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 20:26:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 20:26:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 20:26:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 20:26:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 20:26:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-06 20:26:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2021-12-06 20:26:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2021-12-06 20:26:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-06 20:26:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-06 20:26:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-06 20:26:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-06 20:26:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-06 20:26:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-06 20:26:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_99 [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_99 [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 20:26:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-06 20:26:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-06 20:26:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2021-12-06 20:26:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 20:26:57,785 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 20:26:57,785 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 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 20:26:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 20:26:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 20:26:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 20:26:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 20:26:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 20:26:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:26:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-06 20:26:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-06 20:26:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-06 20:26:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-06 20:26:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 20:26:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 20:26:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-06 20:26:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-06 20:26:58,627 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:26:58,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:26:59,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:40:05,468 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:40:05,491 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:40:05,491 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 20:40:05,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:05 BoogieIcfgContainer [2021-12-06 20:40:05,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:40:05,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:40:05,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:40:05,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:40:05,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:26:51" (1/3) ... [2021-12-06 20:40:05,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e72575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:05, skipping insertion in model container [2021-12-06 20:40:05,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:56" (2/3) ... [2021-12-06 20:40:05,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e72575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:05, skipping insertion in model container [2021-12-06 20:40:05,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:05" (3/3) ... [2021-12-06 20:40:05,502 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 20:40:05,505 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:40:05,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:40:05,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:40:05,572 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 20:40:05,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:40:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 4971 states, 3105 states have (on average 1.2917874396135265) internal successors, (4011), 3244 states have internal predecessors, (4011), 1639 states have call successors, (1639), 226 states have call predecessors, (1639), 225 states have return successors, (1630), 1596 states have call predecessors, (1630), 1630 states have call successors, (1630) [2021-12-06 20:40:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-06 20:40:05,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:05,685 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:05,686 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:05,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash 342668258, now seen corresponding path program 1 times [2021-12-06 20:40:05,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:05,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237908947] [2021-12-06 20:40:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:05,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 20:40:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 20:40:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 20:40:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:40:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 20:40:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:40:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 20:40:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 20:40:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 20:40:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:40:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 20:40:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:40:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 20:40:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:40:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 20:40:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:40:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:40:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 20:40:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 20:40:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 20:40:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:40:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-06 20:40:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-12-06 20:40:07,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:07,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237908947] [2021-12-06 20:40:07,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237908947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:07,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:07,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:07,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683964708] [2021-12-06 20:40:07,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:07,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:07,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:07,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:07,835 INFO L87 Difference]: Start difference. First operand has 4971 states, 3105 states have (on average 1.2917874396135265) internal successors, (4011), 3244 states have internal predecessors, (4011), 1639 states have call successors, (1639), 226 states have call predecessors, (1639), 225 states have return successors, (1630), 1596 states have call predecessors, (1630), 1630 states have call successors, (1630) Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:40:10,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:28,875 INFO L93 Difference]: Finished difference Result 10882 states and 16300 transitions. [2021-12-06 20:40:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:28,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2021-12-06 20:40:28,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:28,936 INFO L225 Difference]: With dead ends: 10882 [2021-12-06 20:40:28,936 INFO L226 Difference]: Without dead ends: 5877 [2021-12-06 20:40:28,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:28,978 INFO L933 BasicCegarLoop]: 7252 mSDtfsCounter, 2467 mSDsluCounter, 8159 mSDsCounter, 0 mSdLazyCounter, 4100 mSolverCounterSat, 1842 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 15411 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1842 IncrementalHoareTripleChecker+Valid, 4100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:28,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 15411 Invalid, 5943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1842 Valid, 4100 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2021-12-06 20:40:29,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2021-12-06 20:40:29,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 4911. [2021-12-06 20:40:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4911 states, 3072 states have (on average 1.28125) internal successors, (3936), 3203 states have internal predecessors, (3936), 1614 states have call successors, (1614), 224 states have call predecessors, (1614), 224 states have return successors, (1614), 1580 states have call predecessors, (1614), 1614 states have call successors, (1614) [2021-12-06 20:40:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4911 states and 7164 transitions. [2021-12-06 20:40:29,334 INFO L78 Accepts]: Start accepts. Automaton has 4911 states and 7164 transitions. Word has length 234 [2021-12-06 20:40:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:29,335 INFO L470 AbstractCegarLoop]: Abstraction has 4911 states and 7164 transitions. [2021-12-06 20:40:29,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:40:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 7164 transitions. [2021-12-06 20:40:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-06 20:40:29,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:29,345 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:29,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:40:29,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:29,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:29,346 INFO L85 PathProgramCache]: Analyzing trace with hash 239715326, now seen corresponding path program 1 times [2021-12-06 20:40:29,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:29,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174573739] [2021-12-06 20:40:29,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:29,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 20:40:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 20:40:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 20:40:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:40:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 20:40:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:40:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 20:40:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 20:40:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 20:40:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:40:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 20:40:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:40:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 20:40:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:40:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 20:40:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:40:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:40:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 20:40:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:40:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-06 20:40:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:40:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 20:40:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-12-06 20:40:30,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:30,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174573739] [2021-12-06 20:40:30,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174573739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:30,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:30,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:30,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023609060] [2021-12-06 20:40:30,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:30,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:30,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:30,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:30,676 INFO L87 Difference]: Start difference. First operand 4911 states and 7164 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:40:32,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:51,207 INFO L93 Difference]: Finished difference Result 10364 states and 15211 transitions. [2021-12-06 20:40:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:51,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 237 [2021-12-06 20:40:51,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:51,250 INFO L225 Difference]: With dead ends: 10364 [2021-12-06 20:40:51,250 INFO L226 Difference]: Without dead ends: 5472 [2021-12-06 20:40:51,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:51,273 INFO L933 BasicCegarLoop]: 6684 mSDtfsCounter, 2049 mSDsluCounter, 7688 mSDsCounter, 0 mSdLazyCounter, 3928 mSolverCounterSat, 1793 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 14372 SdHoareTripleChecker+Invalid, 5722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 3928 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:51,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2761 Valid, 14372 Invalid, 5722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1793 Valid, 3928 Invalid, 1 Unknown, 0 Unchecked, 20.1s Time] [2021-12-06 20:40:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5472 states. [2021-12-06 20:40:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5472 to 4912. [2021-12-06 20:40:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4912 states, 3073 states have (on average 1.2811584770582494) internal successors, (3937), 3204 states have internal predecessors, (3937), 1614 states have call successors, (1614), 224 states have call predecessors, (1614), 224 states have return successors, (1614), 1580 states have call predecessors, (1614), 1614 states have call successors, (1614) [2021-12-06 20:40:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4912 states and 7165 transitions. [2021-12-06 20:40:51,481 INFO L78 Accepts]: Start accepts. Automaton has 4912 states and 7165 transitions. Word has length 237 [2021-12-06 20:40:51,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:51,482 INFO L470 AbstractCegarLoop]: Abstraction has 4912 states and 7165 transitions. [2021-12-06 20:40:51,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:40:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 7165 transitions. [2021-12-06 20:40:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-06 20:40:51,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:51,490 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:51,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:40:51,491 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:51,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1954941256, now seen corresponding path program 1 times [2021-12-06 20:40:51,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:51,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850591364] [2021-12-06 20:40:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:51,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 20:40:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 20:40:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 20:40:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:40:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 20:40:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:40:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 20:40:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 20:40:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 20:40:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:40:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 20:40:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:40:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 20:40:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:40:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 20:40:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:40:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:40:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 20:40:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:40:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 20:40:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:40:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 20:40:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-12-06 20:40:52,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:52,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850591364] [2021-12-06 20:40:52,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850591364] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:52,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92584257] [2021-12-06 20:40:52,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:52,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:52,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:52,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:40:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:54,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 9698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:40:54,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 20:40:55,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:55,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92584257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:55,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:40:55,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-06 20:40:55,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152447864] [2021-12-06 20:40:55,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:56,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:56,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:56,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:56,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:56,001 INFO L87 Difference]: Start difference. First operand 4912 states and 7165 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:40:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:56,142 INFO L93 Difference]: Finished difference Result 9819 states and 14406 transitions. [2021-12-06 20:40:56,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:56,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 238 [2021-12-06 20:40:56,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:56,173 INFO L225 Difference]: With dead ends: 9819 [2021-12-06 20:40:56,173 INFO L226 Difference]: Without dead ends: 4926 [2021-12-06 20:40:56,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:56,199 INFO L933 BasicCegarLoop]: 7150 mSDtfsCounter, 6969 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6969 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:56,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6969 Valid, 7172 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:40:56,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4926 states. [2021-12-06 20:40:56,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4926 to 4926. [2021-12-06 20:40:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4926 states, 3083 states have (on average 1.279922153746351) internal successors, (3946), 3214 states have internal predecessors, (3946), 1614 states have call successors, (1614), 228 states have call predecessors, (1614), 228 states have return successors, (1614), 1580 states have call predecessors, (1614), 1614 states have call successors, (1614) [2021-12-06 20:40:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4926 states to 4926 states and 7174 transitions. [2021-12-06 20:40:56,402 INFO L78 Accepts]: Start accepts. Automaton has 4926 states and 7174 transitions. Word has length 238 [2021-12-06 20:40:56,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:56,403 INFO L470 AbstractCegarLoop]: Abstraction has 4926 states and 7174 transitions. [2021-12-06 20:40:56,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:40:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 4926 states and 7174 transitions. [2021-12-06 20:40:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-06 20:40:56,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:56,412 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:56,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:40:56,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:56,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2115542787, now seen corresponding path program 1 times [2021-12-06 20:40:56,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:56,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400430539] [2021-12-06 20:40:56,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:56,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 20:40:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 20:40:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 20:40:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:40:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 20:40:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:40:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:40:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 20:40:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 20:40:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 20:40:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:40:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 20:40:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:40:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 20:40:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:40:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 20:40:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:40:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:40:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 20:40:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:40:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 20:40:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:40:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 20:40:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-12-06 20:40:57,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:57,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400430539] [2021-12-06 20:40:57,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400430539] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:57,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787846355] [2021-12-06 20:40:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:57,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:57,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:57,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:57,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:40:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:59,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 9698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:40:59,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 20:41:00,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:41:00,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787846355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:00,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:41:00,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-06 20:41:00,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721114362] [2021-12-06 20:41:00,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:00,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:00,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:00,929 INFO L87 Difference]: Start difference. First operand 4926 states and 7174 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:41:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:01,171 INFO L93 Difference]: Finished difference Result 14626 states and 21515 transitions. [2021-12-06 20:41:01,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:01,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 239 [2021-12-06 20:41:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:01,231 INFO L225 Difference]: With dead ends: 14626 [2021-12-06 20:41:01,231 INFO L226 Difference]: Without dead ends: 9719 [2021-12-06 20:41:01,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:01,255 INFO L933 BasicCegarLoop]: 8883 mSDtfsCounter, 6920 mSDsluCounter, 7064 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6920 SdHoareTripleChecker+Valid, 15947 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:01,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6920 Valid, 15947 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:41:01,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2021-12-06 20:41:01,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 9715. [2021-12-06 20:41:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9715 states, 6114 states have (on average 1.2806673209028459) internal successors, (7830), 6374 states have internal predecessors, (7830), 3148 states have call successors, (3148), 453 states have call predecessors, (3148), 452 states have return successors, (3224), 3072 states have call predecessors, (3224), 3148 states have call successors, (3224) [2021-12-06 20:41:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9715 states to 9715 states and 14202 transitions. [2021-12-06 20:41:01,725 INFO L78 Accepts]: Start accepts. Automaton has 9715 states and 14202 transitions. Word has length 239 [2021-12-06 20:41:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:01,726 INFO L470 AbstractCegarLoop]: Abstraction has 9715 states and 14202 transitions. [2021-12-06 20:41:01,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:41:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 9715 states and 14202 transitions. [2021-12-06 20:41:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-06 20:41:01,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:01,733 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:01,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:41:01,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:41:01,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash -548812492, now seen corresponding path program 1 times [2021-12-06 20:41:01,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:01,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909854554] [2021-12-06 20:41:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:01,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 20:41:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 20:41:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 20:41:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:41:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:41:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 20:41:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:41:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:41:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 20:41:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:41:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 20:41:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:41:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 20:41:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 20:41:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 20:41:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:41:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 20:41:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:41:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 20:41:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:41:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 20:41:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:41:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 20:41:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 20:41:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:41:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 20:41:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:41:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:41:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 20:41:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-12-06 20:41:02,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:02,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909854554] [2021-12-06 20:41:02,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909854554] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:41:02,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84007377] [2021-12-06 20:41:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:02,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:41:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:41:02,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:41:02,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:41:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:04,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 9700 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:41:04,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 20:41:06,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:41:06,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84007377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:06,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:41:06,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-06 20:41:06,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542730489] [2021-12-06 20:41:06,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:06,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:06,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:06,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:06,396 INFO L87 Difference]: Start difference. First operand 9715 states and 14202 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:41:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:06,702 INFO L93 Difference]: Finished difference Result 19411 states and 28633 transitions. [2021-12-06 20:41:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:06,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 240 [2021-12-06 20:41:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:06,735 INFO L225 Difference]: With dead ends: 19411 [2021-12-06 20:41:06,736 INFO L226 Difference]: Without dead ends: 9715 [2021-12-06 20:41:06,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:06,760 INFO L933 BasicCegarLoop]: 7149 mSDtfsCounter, 6980 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6980 SdHoareTripleChecker+Valid, 7149 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:06,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6980 Valid, 7149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:41:06,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9715 states. [2021-12-06 20:41:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9715 to 9715. [2021-12-06 20:41:07,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9715 states, 6114 states have (on average 1.2803402028132156) internal successors, (7828), 6374 states have internal predecessors, (7828), 3148 states have call successors, (3148), 453 states have call predecessors, (3148), 452 states have return successors, (3224), 3072 states have call predecessors, (3224), 3148 states have call successors, (3224) [2021-12-06 20:41:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9715 states to 9715 states and 14200 transitions. [2021-12-06 20:41:07,143 INFO L78 Accepts]: Start accepts. Automaton has 9715 states and 14200 transitions. Word has length 240 [2021-12-06 20:41:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:07,144 INFO L470 AbstractCegarLoop]: Abstraction has 9715 states and 14200 transitions. [2021-12-06 20:41:07,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 20:41:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 9715 states and 14200 transitions. [2021-12-06 20:41:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 20:41:07,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:07,151 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:07,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:41:07,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcbc236-cab5-493d-ad80-9b053a716658/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:41:07,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash -911008716, now seen corresponding path program 1 times [2021-12-06 20:41:07,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088783713] [2021-12-06 20:41:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat