./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:39:10,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:39:10,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:39:10,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:39:10,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:39:10,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:39:10,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:39:10,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:39:10,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:39:10,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:39:10,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:39:10,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:39:10,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:39:10,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:39:10,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:39:10,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:39:10,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:39:10,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:39:10,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:39:10,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:39:10,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:39:10,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:39:10,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:39:10,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:39:10,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:39:10,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:39:10,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:39:10,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:39:10,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:39:10,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:39:10,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:39:10,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:39:10,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:39:10,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:39:10,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:39:10,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:39:10,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:39:10,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:39:10,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:39:10,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:39:10,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:39:10,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:39:10,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:39:10,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:39:10,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:39:10,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:39:10,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:39:10,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:39:10,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:39:10,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:39:10,294 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:39:10,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:39:10,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:39:10,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:39:10,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:39:10,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:39:10,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:39:10,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:39:10,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:39:10,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:39:10,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:39:10,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:39:10,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:39:10,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:39:10,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:39:10,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:39:10,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:39:10,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:39:10,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:39:10,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:39:10,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:39:10,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:39:10,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-12-28 04:39:10,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:39:10,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:39:10,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:39:10,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:39:10,620 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:39:10,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-28 04:39:10,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586d21ca7/4aa1154c0ae341c8a197c2e5c0e1977c/FLAGa91ee4b8c [2021-12-28 04:39:11,569 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:39:11,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-28 04:39:11,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586d21ca7/4aa1154c0ae341c8a197c2e5c0e1977c/FLAGa91ee4b8c [2021-12-28 04:39:11,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586d21ca7/4aa1154c0ae341c8a197c2e5c0e1977c [2021-12-28 04:39:11,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:39:11,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:39:11,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:39:11,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:39:11,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:39:11,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:39:11" (1/1) ... [2021-12-28 04:39:11,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748349e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:11, skipping insertion in model container [2021-12-28 04:39:11,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:39:11" (1/1) ... [2021-12-28 04:39:11,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:39:11,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:39:16,320 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-12-28 04:39:16,328 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-12-28 04:39:16,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:39:16,432 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:39:16,910 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-12-28 04:39:16,910 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-12-28 04:39:16,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:39:17,280 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:39:17,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17 WrapperNode [2021-12-28 04:39:17,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:39:17,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:39:17,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:39:17,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:39:17,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:17,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:17,790 INFO L137 Inliner]: procedures = 567, calls = 5407, calls flagged for inlining = 289, calls inlined = 263, statements flattened = 11461 [2021-12-28 04:39:17,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:39:17,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:39:17,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:39:17,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:39:17,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:17,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:17,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:17,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:18,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:18,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:18,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:18,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:39:18,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:39:18,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:39:18,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:39:18,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (1/1) ... [2021-12-28 04:39:18,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:39:18,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:39:18,292 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) [2021-12-28 04:39:18,306 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 [2021-12-28 04:39:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-28 04:39:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-28 04:39:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-28 04:39:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-28 04:39:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:39:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:39:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:39:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:39:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:39:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:39:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-12-28 04:39:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-12-28 04:39:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:39:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:39:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-28 04:39:18,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-28 04:39:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-28 04:39:18,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-28 04:39:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:39:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:39:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:39:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:39:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:39:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:39:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:39:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:39:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:39:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:39:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 04:39:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 04:39:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:39:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:39:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 04:39:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 04:39:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-28 04:39:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-28 04:39:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:39:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:39:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:39:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:39:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:39:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:39:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-28 04:39:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-28 04:39:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:39:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:39:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:39:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:39:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:39:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:39:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:39:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:39:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:39:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:39:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:39:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:39:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:39:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-28 04:39:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-28 04:39:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-28 04:39:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-28 04:39:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 04:39:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 04:39:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-28 04:39:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-28 04:39:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:39:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:39:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-28 04:39:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-28 04:39:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-28 04:39:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-28 04:39:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-28 04:39:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-28 04:39:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:39:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-28 04:39:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-28 04:39:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-28 04:39:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-28 04:39:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:39:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:39:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:39:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:39:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:39:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:39:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:39:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:39:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 04:39:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 04:39:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:39:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:39:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 04:39:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 04:39:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:39:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:39:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:39:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:39:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:39:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:39:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:39:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:39:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:39:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:39:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-28 04:39:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-28 04:39:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:39:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:39:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:39:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:39:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-28 04:39:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-28 04:39:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-28 04:39:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-28 04:39:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:39:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:39:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:39:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:39:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:39:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 04:39:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 04:39:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 04:39:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 04:39:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:39:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:39:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:39:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:39:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:39:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:39:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-28 04:39:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-28 04:39:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 04:39:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 04:39:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 04:39:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 04:39:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:39:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:39:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:39:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:39:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 04:39:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 04:39:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-28 04:39:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-28 04:39:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:39:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:39:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:39:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:39:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:39:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:39:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:39:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:39:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-28 04:39:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-28 04:39:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:39:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:39:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-28 04:39:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-28 04:39:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:39:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:39:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-28 04:39:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-28 04:39:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:39:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:39:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:39:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:39:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-28 04:39:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-28 04:39:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:39:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:39:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-28 04:39:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-28 04:39:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:39:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:39:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-28 04:39:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-28 04:39:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-28 04:39:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-28 04:39:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:39:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:39:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-28 04:39:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-28 04:39:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-28 04:39:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-28 04:39:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:39:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:39:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-28 04:39:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-28 04:39:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 04:39:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 04:39:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:39:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:39:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:39:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:39:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-28 04:39:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-28 04:39:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 04:39:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 04:39:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:39:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:39:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:39:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-28 04:39:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-28 04:39:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:39:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:39:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:39:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:39:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:39:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:39:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:39:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 04:39:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 04:39:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:39:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-28 04:39:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-28 04:39:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-28 04:39:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-28 04:39:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-28 04:39:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-28 04:39:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:39:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:39:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 04:39:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 04:39:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-28 04:39:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-28 04:39:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:39:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:39:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:39:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:39:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-28 04:39:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-28 04:39:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:39:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:39:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-28 04:39:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-28 04:39:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-28 04:39:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-28 04:39:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-28 04:39:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-28 04:39:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-12-28 04:39:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-12-28 04:39:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:39:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:39:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:39:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:39:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:39:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:39:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:39:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:39:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:39:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:39:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:39:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-28 04:39:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-28 04:39:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:39:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:39:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-12-28 04:39:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-12-28 04:39:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-28 04:39:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-28 04:39:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-28 04:39:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-28 04:39:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:39:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:39:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-28 04:39:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-28 04:39:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:39:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:39:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:39:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:39:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:39:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:39:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 04:39:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 04:39:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:39:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:39:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-28 04:39:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-28 04:39:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:39:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:39:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-28 04:39:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-28 04:39:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:39:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-28 04:39:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-28 04:39:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:39:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:39:19,438 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:39:19,440 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:39:20,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:39:26,674 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:39:26,798 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:39:26,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:39:26,831 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 04:39:26,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:39:26 BoogieIcfgContainer [2021-12-28 04:39:26,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:39:26,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:39:26,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:39:26,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:39:26,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:39:11" (1/3) ... [2021-12-28 04:39:26,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c989fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:39:26, skipping insertion in model container [2021-12-28 04:39:26,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:39:17" (2/3) ... [2021-12-28 04:39:26,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c989fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:39:26, skipping insertion in model container [2021-12-28 04:39:26,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:39:26" (3/3) ... [2021-12-28 04:39:26,841 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-28 04:39:26,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:39:26,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:39:26,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:39:26,910 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:39:26,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:39:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) [2021-12-28 04:39:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-28 04:39:27,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:27,076 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-12-28 04:39:27,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1149132296, now seen corresponding path program 1 times [2021-12-28 04:39:27,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:27,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142644834] [2021-12-28 04:39:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:27,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:39:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 04:39:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:39:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:39:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-28 04:39:28,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:28,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142644834] [2021-12-28 04:39:28,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142644834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:28,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:28,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:39:28,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124052199] [2021-12-28 04:39:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:28,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:39:28,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:39:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:39:28,332 INFO L87 Difference]: Start difference. First operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 04:39:35,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:35,461 INFO L93 Difference]: Finished difference Result 9363 states and 14036 transitions. [2021-12-28 04:39:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:39:35,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2021-12-28 04:39:35,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:35,520 INFO L225 Difference]: With dead ends: 9363 [2021-12-28 04:39:35,521 INFO L226 Difference]: Without dead ends: 5825 [2021-12-28 04:39:35,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:39:35,550 INFO L933 BasicCegarLoop]: 5421 mSDtfsCounter, 4048 mSDsluCounter, 6043 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4700 SdHoareTripleChecker+Valid, 11464 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:35,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4700 Valid, 11464 Invalid, 5453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-28 04:39:35,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2021-12-28 04:39:36,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5676. [2021-12-28 04:39:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 3934 states have (on average 1.3662938485002543) internal successors, (5375), 4088 states have internal predecessors, (5375), 1520 states have call successors, (1520), 221 states have call predecessors, (1520), 221 states have return successors, (1520), 1449 states have call predecessors, (1520), 1520 states have call successors, (1520) [2021-12-28 04:39:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 8415 transitions. [2021-12-28 04:39:36,268 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 8415 transitions. Word has length 194 [2021-12-28 04:39:36,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:36,269 INFO L470 AbstractCegarLoop]: Abstraction has 5676 states and 8415 transitions. [2021-12-28 04:39:36,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 04:39:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 8415 transitions. [2021-12-28 04:39:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-28 04:39:36,289 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:36,289 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:36,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:39:36,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2047130823, now seen corresponding path program 1 times [2021-12-28 04:39:36,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:36,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306476379] [2021-12-28 04:39:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:36,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:39:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:39:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:39:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:39:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 04:39:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:39:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:39:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:39:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 04:39:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:39:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-28 04:39:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-28 04:39:36,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:36,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306476379] [2021-12-28 04:39:36,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306476379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:36,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:36,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:39:36,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986130662] [2021-12-28 04:39:36,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:36,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:39:36,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:36,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:39:36,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:39:36,989 INFO L87 Difference]: Start difference. First operand 5676 states and 8415 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 04:39:51,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:51,851 INFO L93 Difference]: Finished difference Result 18792 states and 28166 transitions. [2021-12-28 04:39:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:39:51,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-12-28 04:39:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:51,950 INFO L225 Difference]: With dead ends: 18792 [2021-12-28 04:39:51,951 INFO L226 Difference]: Without dead ends: 13147 [2021-12-28 04:39:51,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:39:51,989 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 9985 mSDsluCounter, 5568 mSDsCounter, 0 mSdLazyCounter, 7608 mSolverCounterSat, 6889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10800 SdHoareTripleChecker+Valid, 10513 SdHoareTripleChecker+Invalid, 14497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6889 IncrementalHoareTripleChecker+Valid, 7608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:51,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10800 Valid, 10513 Invalid, 14497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6889 Valid, 7608 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2021-12-28 04:39:52,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13147 states. [2021-12-28 04:39:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13147 to 11265. [2021-12-28 04:39:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11265 states, 7807 states have (on average 1.367618803637761) internal successors, (10677), 8119 states have internal predecessors, (10677), 3015 states have call successors, (3015), 442 states have call predecessors, (3015), 442 states have return successors, (3015), 2869 states have call predecessors, (3015), 3015 states have call successors, (3015) [2021-12-28 04:39:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 16707 transitions. [2021-12-28 04:39:52,750 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 16707 transitions. Word has length 248 [2021-12-28 04:39:52,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:52,753 INFO L470 AbstractCegarLoop]: Abstraction has 11265 states and 16707 transitions. [2021-12-28 04:39:52,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 04:39:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 16707 transitions. [2021-12-28 04:39:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-28 04:39:52,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:52,776 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:39:52,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:39:52,776 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:52,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1936131099, now seen corresponding path program 1 times [2021-12-28 04:39:52,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:52,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848748103] [2021-12-28 04:39:52,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:52,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:39:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:39:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:39:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:39:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 04:39:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:39:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:39:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:39:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 04:39:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:39:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-28 04:39:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-28 04:39:53,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:53,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848748103] [2021-12-28 04:39:53,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848748103] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:53,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:53,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:39:53,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906526647] [2021-12-28 04:39:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:53,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:39:53,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:53,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:39:53,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:39:53,461 INFO L87 Difference]: Start difference. First operand 11265 states and 16707 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)