./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b81f62f2e9db244774f278a7ece36c47fd15c4db2cc7c419fcdcb30482c9a21a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:34:21,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:34:21,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:34:21,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:34:21,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:34:21,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:34:21,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:34:21,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:34:21,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:34:21,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:34:21,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:34:21,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:34:21,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:34:21,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:34:21,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:34:21,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:34:21,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:34:21,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:34:21,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:34:21,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:34:21,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:34:21,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:34:21,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:34:21,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:34:21,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:34:21,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:34:21,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:34:21,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:34:21,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:34:21,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:34:21,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:34:21,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:34:21,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:34:21,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:34:21,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:34:21,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:34:21,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:34:21,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:34:21,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:34:21,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:34:21,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:34:21,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:34:21,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:34:21,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:34:21,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:34:21,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:34:21,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:34:21,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:34:21,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:34:21,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:34:21,447 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:34:21,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:34:21,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:34:21,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:34:21,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:34:21,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:34:21,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:34:21,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:34:21,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:34:21,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:34:21,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:34:21,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:34:21,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:34:21,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:34:21,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:34:21,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:34:21,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:34:21,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:34:21,452 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81f62f2e9db244774f278a7ece36c47fd15c4db2cc7c419fcdcb30482c9a21a [2021-11-17 05:34:21,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:34:21,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:34:21,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:34:21,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:34:21,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:34:21,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i [2021-11-17 05:34:21,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d666cf96/2cda2863bf894fe6ae99069030e37fd0/FLAG872400e62 [2021-11-17 05:34:22,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:34:22,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i [2021-11-17 05:34:22,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d666cf96/2cda2863bf894fe6ae99069030e37fd0/FLAG872400e62 [2021-11-17 05:34:22,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d666cf96/2cda2863bf894fe6ae99069030e37fd0 [2021-11-17 05:34:22,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:34:22,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:34:22,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:34:22,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:34:22,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:34:22,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:34:22" (1/1) ... [2021-11-17 05:34:22,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8bc2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:22, skipping insertion in model container [2021-11-17 05:34:22,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:34:22" (1/1) ... [2021-11-17 05:34:22,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:34:23,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:34:25,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i[469953,469966] [2021-11-17 05:34:25,730 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:34:25,785 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:34:26,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i[469953,469966] [2021-11-17 05:34:26,163 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:34:26,353 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:34:26,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26 WrapperNode [2021-11-17 05:34:26,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:34:26,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:34:26,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:34:26,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:34:26,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,584 INFO L137 Inliner]: procedures = 477, calls = 3669, calls flagged for inlining = 234, calls inlined = 186, statements flattened = 7002 [2021-11-17 05:34:26,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:34:26,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:34:26,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:34:26,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:34:26,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:34:26,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:34:26,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:34:26,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:34:26,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (1/1) ... [2021-11-17 05:34:26,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:34:26,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:34:26,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 05:34:26,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 05:34:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-17 05:34:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-17 05:34:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 05:34:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 05:34:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-17 05:34:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-17 05:34:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:34:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:34:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 05:34:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 05:34:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:34:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:34:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-17 05:34:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-17 05:34:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:34:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:34:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 05:34:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 05:34:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 05:34:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 05:34:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-11-17 05:34:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-11-17 05:34:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 05:34:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 05:34:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:34:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:34:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:34:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:34:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 05:34:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 05:34:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 05:34:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 05:34:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-17 05:34:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-17 05:34:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-17 05:34:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-17 05:34:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 05:34:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 05:34:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 05:34:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 05:34:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 05:34:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 05:34:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:34:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 05:34:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 05:34:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-17 05:34:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-17 05:34:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 05:34:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 05:34:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 05:34:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 05:34:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 05:34:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 05:34:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 05:34:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 05:34:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 05:34:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 05:34:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:34:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 05:34:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:34:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-17 05:34:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-17 05:34:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-17 05:34:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 05:34:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 05:34:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:34:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:34:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 05:34:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 05:34:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-11-17 05:34:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-11-17 05:34:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 05:34:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 05:34:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:34:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:34:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 05:34:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 05:34:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-17 05:34:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-17 05:34:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 05:34:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 05:34:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-17 05:34:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-17 05:34:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 05:34:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 05:34:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:34:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:34:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-17 05:34:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-17 05:34:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:34:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 05:34:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-17 05:34:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 05:34:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 05:34:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 05:34:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 05:34:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-17 05:34:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-17 05:34:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 05:34:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 05:34:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 05:34:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 05:34:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 05:34:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 05:34:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 05:34:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 05:34:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-17 05:34:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-17 05:34:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-17 05:34:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-17 05:34:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:34:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 05:34:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 05:34:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:34:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:34:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:34:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:34:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 05:34:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 05:34:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 05:34:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 05:34:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 05:34:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 05:34:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 05:34:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 05:34:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 05:34:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-17 05:34:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-17 05:34:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:34:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:34:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 05:34:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 05:34:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 05:34:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 05:34:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:34:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:34:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-17 05:34:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-17 05:34:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_cleanup_all [2021-11-17 05:34:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_cleanup_all [2021-11-17 05:34:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:34:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:34:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-11-17 05:34:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-11-17 05:34:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 05:34:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 05:34:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 05:34:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 05:34:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 05:34:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 05:34:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:34:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 05:34:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:34:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 05:34:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 05:34:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-17 05:34:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-17 05:34:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:34:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 05:34:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 05:34:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-17 05:34:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-17 05:34:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 05:34:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 05:34:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-17 05:34:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-17 05:34:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-17 05:34:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-17 05:34:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 05:34:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 05:34:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 05:34:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 05:34:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 05:34:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 05:34:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-17 05:34:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-17 05:34:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-17 05:34:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-17 05:34:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:34:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:34:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-17 05:34:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-17 05:34:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:34:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_3 [2021-11-17 05:34:26,900 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_3 [2021-11-17 05:34:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:34:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:34:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-17 05:34:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-17 05:34:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 05:34:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 05:34:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:34:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:34:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 05:34:26,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 05:34:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-17 05:34:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-17 05:34:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 05:34:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 05:34:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_5 [2021-11-17 05:34:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_5 [2021-11-17 05:34:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2021-11-17 05:34:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2021-11-17 05:34:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 05:34:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 05:34:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-11-17 05:34:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-11-17 05:34:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-17 05:34:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-17 05:34:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-17 05:34:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-17 05:34:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_work [2021-11-17 05:34:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_work [2021-11-17 05:34:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-17 05:34:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-17 05:34:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 05:34:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 05:34:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-17 05:34:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-17 05:34:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-17 05:34:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-17 05:34:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-17 05:34:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-17 05:34:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 05:34:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 05:34:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:34:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:34:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_range [2021-11-17 05:34:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_range [2021-11-17 05:34:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-17 05:34:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-17 05:34:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 05:34:26,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 05:34:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 05:34:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 05:34:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 05:34:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 05:34:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 05:34:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 05:34:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:34:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-17 05:34:26,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-17 05:34:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 05:34:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 05:34:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-17 05:34:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-17 05:34:27,710 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:34:27,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:34:27,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:46:34,564 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:46:34,580 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:46:34,580 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 05:46:34,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:46:34 BoogieIcfgContainer [2021-11-17 05:46:34,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:46:34,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:46:34,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:46:34,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:46:34,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:34:22" (1/3) ... [2021-11-17 05:46:34,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fd96a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:46:34, skipping insertion in model container [2021-11-17 05:46:34,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:34:26" (2/3) ... [2021-11-17 05:46:34,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fd96a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:46:34, skipping insertion in model container [2021-11-17 05:46:34,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:46:34" (3/3) ... [2021-11-17 05:46:34,592 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--vmxnet3--vmxnet3.ko-entry_point.cil.out.i [2021-11-17 05:46:34,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:46:34,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:46:34,647 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:46:34,652 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 [2021-11-17 05:46:34,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:46:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 2295 states, 1687 states have (on average 1.3491404860699467) internal successors, (2276), 1729 states have internal predecessors, (2276), 483 states have call successors, (483), 124 states have call predecessors, (483), 123 states have return successors, (467), 466 states have call predecessors, (467), 467 states have call successors, (467) [2021-11-17 05:46:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 05:46:34,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:34,733 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 05:46:34,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:34,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2125738141, now seen corresponding path program 1 times [2021-11-17 05:46:34,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:34,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648361253] [2021-11-17 05:46:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:34,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 05:46:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 05:46:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 05:46:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 05:46:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 05:46:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-17 05:46:36,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:36,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648361253] [2021-11-17 05:46:36,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648361253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:36,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:36,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:46:36,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054548966] [2021-11-17 05:46:36,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:36,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:46:36,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:36,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:46:36,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:46:36,053 INFO L87 Difference]: Start difference. First operand has 2295 states, 1687 states have (on average 1.3491404860699467) internal successors, (2276), 1729 states have internal predecessors, (2276), 483 states have call successors, (483), 124 states have call predecessors, (483), 123 states have return successors, (467), 466 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 05:46:38,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:40,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:43,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:45,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:47,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:07,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:09,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:11,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:13,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:15,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:47:15,762 INFO L93 Difference]: Finished difference Result 4895 states and 7034 transitions. [2021-11-17 05:47:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:47:15,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2021-11-17 05:47:15,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:47:15,800 INFO L225 Difference]: With dead ends: 4895 [2021-11-17 05:47:15,800 INFO L226 Difference]: Without dead ends: 2549 [2021-11-17 05:47:15,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:47:15,824 INFO L933 BasicCegarLoop]: 2834 mSDtfsCounter, 2145 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 1463 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 6175 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1463 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-17 05:47:15,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2303 Valid, 6175 Invalid, 4385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1463 Valid, 2913 Invalid, 9 Unknown, 0 Unchecked, 39.0s Time] [2021-11-17 05:47:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2021-11-17 05:47:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2246. [2021-11-17 05:47:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2246 states, 1656 states have (on average 1.3303140096618358) internal successors, (2203), 1680 states have internal predecessors, (2203), 467 states have call successors, (467), 123 states have call predecessors, (467), 122 states have return successors, (466), 465 states have call predecessors, (466), 466 states have call successors, (466) [2021-11-17 05:47:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 3136 transitions. [2021-11-17 05:47:16,000 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 3136 transitions. Word has length 114 [2021-11-17 05:47:16,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:47:16,001 INFO L470 AbstractCegarLoop]: Abstraction has 2246 states and 3136 transitions. [2021-11-17 05:47:16,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 05:47:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3136 transitions. [2021-11-17 05:47:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-17 05:47:16,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:47:16,009 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 05:47:16,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 05:47:16,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:47:16,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:47:16,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1514581047, now seen corresponding path program 1 times [2021-11-17 05:47:16,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:47:16,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160039404] [2021-11-17 05:47:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:47:16,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:47:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:47:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 05:47:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 05:47:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 05:47:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 05:47:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 05:47:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 05:47:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-17 05:47:16,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:47:16,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160039404] [2021-11-17 05:47:16,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160039404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:47:16,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:47:16,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:47:16,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086360904] [2021-11-17 05:47:16,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:47:16,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:47:16,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:47:16,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:47:16,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:47:16,860 INFO L87 Difference]: Start difference. First operand 2246 states and 3136 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-17 05:47:18,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:21,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:24,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:46,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:48,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:51,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:47:53,657 INFO L93 Difference]: Finished difference Result 4802 states and 6800 transitions. [2021-11-17 05:47:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 05:47:53,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2021-11-17 05:47:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:47:53,668 INFO L225 Difference]: With dead ends: 4802 [2021-11-17 05:47:53,668 INFO L226 Difference]: Without dead ends: 2562 [2021-11-17 05:47:53,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:47:53,674 INFO L933 BasicCegarLoop]: 2732 mSDtfsCounter, 2631 mSDsluCounter, 5323 mSDsCounter, 0 mSdLazyCounter, 4003 mSolverCounterSat, 2060 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 8055 SdHoareTripleChecker+Invalid, 6069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2060 IncrementalHoareTripleChecker+Valid, 4003 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:47:53,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2787 Valid, 8055 Invalid, 6069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2060 Valid, 4003 Invalid, 6 Unknown, 0 Unchecked, 36.1s Time] [2021-11-17 05:47:53,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2021-11-17 05:47:53,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2247. [2021-11-17 05:47:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2247 states, 1657 states have (on average 1.3301146650573326) internal successors, (2204), 1681 states have internal predecessors, (2204), 467 states have call successors, (467), 123 states have call predecessors, (467), 122 states have return successors, (466), 465 states have call predecessors, (466), 466 states have call successors, (466) [2021-11-17 05:47:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 3137 transitions. [2021-11-17 05:47:53,729 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 3137 transitions. Word has length 117 [2021-11-17 05:47:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:47:53,730 INFO L470 AbstractCegarLoop]: Abstraction has 2247 states and 3137 transitions. [2021-11-17 05:47:53,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-17 05:47:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 3137 transitions. [2021-11-17 05:47:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-17 05:47:53,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:47:53,734 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 05:47:53,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:47:53,735 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:47:53,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:47:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2029379371, now seen corresponding path program 1 times [2021-11-17 05:47:53,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:47:53,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461544534] [2021-11-17 05:47:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:47:53,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:47:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:47:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 05:47:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:47:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 05:47:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 05:47:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 05:47:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 05:47:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 05:47:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-17 05:47:54,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:47:54,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461544534] [2021-11-17 05:47:54,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461544534] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:47:54,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955097884] [2021-11-17 05:47:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:47:54,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:47:54,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:47:54,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:47:54,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 05:47:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:55,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 05:47:55,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:47:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-17 05:47:55,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 05:47:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-17 05:47:56,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955097884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 05:47:56,221 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 05:47:56,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 10 [2021-11-17 05:47:56,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562367278] [2021-11-17 05:47:56,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 05:47:56,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 05:47:56,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:47:56,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 05:47:56,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:47:56,223 INFO L87 Difference]: Start difference. First operand 2247 states and 3137 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-17 05:47:58,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:00,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:03,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:06,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:08,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:33,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:35,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:38,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:40,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:44,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:48:44,711 INFO L93 Difference]: Finished difference Result 4811 states and 6812 transitions. [2021-11-17 05:48:44,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:48:44,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 122 [2021-11-17 05:48:44,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:48:44,725 INFO L225 Difference]: With dead ends: 4811 [2021-11-17 05:48:44,725 INFO L226 Difference]: Without dead ends: 2570 [2021-11-17 05:48:44,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-11-17 05:48:44,736 INFO L933 BasicCegarLoop]: 2726 mSDtfsCounter, 2176 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 5212 mSolverCounterSat, 1545 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 6766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1545 IncrementalHoareTripleChecker+Valid, 5212 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2021-11-17 05:48:44,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 10133 Invalid, 6766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1545 Valid, 5212 Invalid, 9 Unknown, 0 Unchecked, 47.7s Time] [2021-11-17 05:48:44,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2021-11-17 05:48:44,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2251. [2021-11-17 05:48:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 1660 states have (on average 1.3295180722891566) internal successors, (2207), 1684 states have internal predecessors, (2207), 468 states have call successors, (468), 123 states have call predecessors, (468), 122 states have return successors, (467), 466 states have call predecessors, (467), 467 states have call successors, (467) [2021-11-17 05:48:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3142 transitions. [2021-11-17 05:48:44,807 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3142 transitions. Word has length 122 [2021-11-17 05:48:44,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:48:44,809 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 3142 transitions. [2021-11-17 05:48:44,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-17 05:48:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3142 transitions. [2021-11-17 05:48:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 05:48:44,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:48:44,815 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 05:48:44,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 05:48:45,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:48:45,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:48:45,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:48:45,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1372732738, now seen corresponding path program 1 times [2021-11-17 05:48:45,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:48:45,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232658919] [2021-11-17 05:48:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:48:45,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:48:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:48:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 05:48:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 05:48:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 05:48:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 05:48:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 05:48:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 05:48:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 05:48:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 05:48:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-17 05:48:46,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:48:46,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232658919] [2021-11-17 05:48:46,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232658919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:48:46,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:48:46,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:48:46,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157302570] [2021-11-17 05:48:46,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:48:46,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:48:46,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:48:46,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:48:46,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:48:46,011 INFO L87 Difference]: Start difference. First operand 2251 states and 3142 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 05:48:48,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:50,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15