./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:26:50,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:26:50,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:26:50,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:26:50,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:26:50,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:26:50,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:26:50,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:26:50,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:26:50,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:26:50,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:26:50,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:26:50,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:26:50,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:26:50,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:26:50,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:26:50,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:26:50,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:26:50,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:26:50,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:26:50,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:26:50,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:26:50,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:26:50,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:26:50,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:26:50,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:26:50,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:26:50,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:26:50,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:26:50,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:26:50,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:26:50,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:26:50,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:26:50,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:26:50,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:26:50,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:26:50,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:26:50,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:26:50,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:26:50,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:26:50,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:26:50,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:26:50,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:26:50,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:26:50,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:26:50,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:26:50,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:26:50,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:26:50,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:26:50,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:26:50,411 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:26:50,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:26:50,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:26:50,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:26:50,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:26:50,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:26:50,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:26:50,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:26:50,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:26:50,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:26:50,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:26:50,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:26:50,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:26:50,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:26:50,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:26:50,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:26:50,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:26:50,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:26:50,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:26:50,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:26:50,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:26:50,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:26:50,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:26:50,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-12-14 18:26:50,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:26:50,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:26:50,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:26:50,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:26:50,664 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:26:50,666 INFO L432 ainManager$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 [2021-12-14 18:26:50,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75de5a1d9/6deb8eb0b5cd4f1999c327ae8b999dd0/FLAG3325c7166 [2021-12-14 18:26:51,617 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:26:51,618 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 [2021-12-14 18:26:51,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75de5a1d9/6deb8eb0b5cd4f1999c327ae8b999dd0/FLAG3325c7166 [2021-12-14 18:26:52,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75de5a1d9/6deb8eb0b5cd4f1999c327ae8b999dd0 [2021-12-14 18:26:52,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:26:52,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:26:52,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:26:52,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:26:52,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:26:52,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:52" (1/1) ... [2021-12-14 18:26:52,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbbe3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:52, skipping insertion in model container [2021-12-14 18:26:52,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:52" (1/1) ... [2021-12-14 18:26:52,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:26:52,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:26:55,509 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] [2021-12-14 18:26:55,512 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] [2021-12-14 18:26:55,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:26:55,578 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:26:55,980 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] [2021-12-14 18:26:55,981 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] [2021-12-14 18:26:55,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:26:56,151 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:26:56,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56 WrapperNode [2021-12-14 18:26:56,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:26:56,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:26:56,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:26:56,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:26:56,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,524 INFO L137 Inliner]: procedures = 567, calls = 5407, calls flagged for inlining = 289, calls inlined = 263, statements flattened = 11461 [2021-12-14 18:26:56,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:26:56,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:26:56,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:26:56,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:26:56,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:26:56,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:26:56,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:26:56,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:26:56,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (1/1) ... [2021-12-14 18:26:56,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:26:56,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:26:56,984 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) [2021-12-14 18:26:56,996 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 [2021-12-14 18:26:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-14 18:26:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-14 18:26:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-14 18:26:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-14 18:26:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:26:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:26:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:26:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:26:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:26:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:26:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-12-14 18:26:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-12-14 18:26:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:26:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:26:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-14 18:26:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-14 18:26:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-14 18:26:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-14 18:26:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:26:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:26:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:26:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:26:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:26:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:26:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:26:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:26:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:26:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:26:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:26:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:26:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:26:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:26:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:26:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:26:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-14 18:26:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-14 18:26:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:26:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:26:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:26:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:26:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:26:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:26:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-14 18:26:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-14 18:26:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:26:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:26:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:26:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:26:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:26:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:26:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:26:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:26:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:26:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:26:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:26:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:26:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:26:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-14 18:26:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-14 18:26:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-14 18:26:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-14 18:26:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:26:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:26:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-14 18:26:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-14 18:26:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:26:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:26:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-14 18:26:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-14 18:26:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-14 18:26:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-14 18:26:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-14 18:26:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-14 18:26:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:26:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-14 18:26:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-14 18:26:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-14 18:26:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-14 18:26:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:26:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:26:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:26:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:26:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:26:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:26:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:26:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:26:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:26:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:26:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:26:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:26:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 18:26:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 18:26:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:26:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:26:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:26:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:26:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:26:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:26:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:26:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:26:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:26:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:26:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-14 18:26:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-14 18:26:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:26:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:26:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:26:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:26:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-14 18:26:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-14 18:26:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-14 18:26:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-14 18:26:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:26:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:26:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:26:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:26:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:26:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:26:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:26:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:26:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:26:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:26:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:26:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:26:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:26:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:26:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:26:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-14 18:26:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-14 18:26:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:26:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:26:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 18:26:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 18:26:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:26:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:26:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:26:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:26:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:26:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:26:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-14 18:26:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-14 18:26:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:26:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:26:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:26:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:26:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:26:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:26:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:26:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:26:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-14 18:26:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-14 18:26:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:26:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:26:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-14 18:26:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-14 18:26:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:26:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:26:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-14 18:26:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-14 18:26:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:26:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:26:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:26:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:26:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 18:26:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 18:26:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:26:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:26:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-14 18:26:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-14 18:26:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:26:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:26:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-14 18:26:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-14 18:26:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-14 18:26:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-14 18:26:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:26:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:26:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-14 18:26:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-14 18:26:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-14 18:26:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-14 18:26:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:26:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:26:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-14 18:26:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-14 18:26:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 18:26:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 18:26:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:26:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:26:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:26:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:26:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-14 18:26:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-14 18:26:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-14 18:26:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-14 18:26:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:26:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:26:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:26:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-14 18:26:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-14 18:26:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:26:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:26:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:26:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:26:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:26:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:26:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:26:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 18:26:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 18:26:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:26:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-14 18:26:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-14 18:26:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-14 18:26:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-14 18:26:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-14 18:26:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-14 18:26:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:26:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:26:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:26:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:26:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-14 18:26:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-14 18:26:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:26:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:26:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:26:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:26:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-14 18:26:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-14 18:26:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:26:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:26:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-14 18:26:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-14 18:26:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-14 18:26:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-14 18:26:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-14 18:26:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-14 18:26:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-12-14 18:26:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-12-14 18:26:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:26:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:26:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:26:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:26:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:26:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:26:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:26:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:26:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:26:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:26:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:26:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-14 18:26:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-14 18:26:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:26:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:26:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-12-14 18:26:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-12-14 18:26:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-14 18:26:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-14 18:26:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-14 18:26:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-14 18:26:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:26:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:26:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-14 18:26:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-14 18:26:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:26:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:26:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:26:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:26:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:26:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:26:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 18:26:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 18:26:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:26:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:26:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-14 18:26:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-14 18:26:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:26:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:26:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-14 18:26:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-14 18:26:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:26:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-14 18:26:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-14 18:26:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:26:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:26:58,241 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:26:58,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:26:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:27:05,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:27:05,275 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:27:05,299 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:27:05,299 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 18:27:05,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:05 BoogieIcfgContainer [2021-12-14 18:27:05,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:27:05,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:27:05,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:27:05,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:27:05,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:26:52" (1/3) ... [2021-12-14 18:27:05,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c01096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:05, skipping insertion in model container [2021-12-14 18:27:05,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:56" (2/3) ... [2021-12-14 18:27:05,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c01096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:05, skipping insertion in model container [2021-12-14 18:27:05,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:05" (3/3) ... [2021-12-14 18:27:05,312 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-14 18:27:05,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:27:05,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:27:05,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:27:05,387 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 [2021-12-14 18:27:05,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:27:05,473 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) [2021-12-14 18:27:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-14 18:27:05,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:05,504 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] [2021-12-14 18:27:05,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:05,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1149132296, now seen corresponding path program 1 times [2021-12-14 18:27:05,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:05,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465366210] [2021-12-14 18:27:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:05,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:27:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:27:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:27:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:27:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:27:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:27:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 18:27:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-14 18:27:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-14 18:27:06,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:06,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465366210] [2021-12-14 18:27:06,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465366210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:06,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:06,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:06,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434599606] [2021-12-14 18:27:06,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:06,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:06,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:06,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:06,798 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) [2021-12-14 18:27:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:12,532 INFO L93 Difference]: Finished difference Result 9363 states and 14036 transitions. [2021-12-14 18:27:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:12,534 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 [2021-12-14 18:27:12,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:12,604 INFO L225 Difference]: With dead ends: 9363 [2021-12-14 18:27:12,604 INFO L226 Difference]: Without dead ends: 5825 [2021-12-14 18:27:12,634 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 [2021-12-14 18:27:12,641 INFO L933 BasicCegarLoop]: 5421 mSDtfsCounter, 4048 mSDsluCounter, 6832 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4700 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 4664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:12,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4700 Valid, 12253 Invalid, 4664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-14 18:27:12,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2021-12-14 18:27:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5676. [2021-12-14 18:27:13,133 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) [2021-12-14 18:27:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 8415 transitions. [2021-12-14 18:27:13,175 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 8415 transitions. Word has length 194 [2021-12-14 18:27:13,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:13,178 INFO L470 AbstractCegarLoop]: Abstraction has 5676 states and 8415 transitions. [2021-12-14 18:27:13,179 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) [2021-12-14 18:27:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 8415 transitions. [2021-12-14 18:27:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-14 18:27:13,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:13,203 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] [2021-12-14 18:27:13,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:27:13,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:13,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:13,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2047130823, now seen corresponding path program 1 times [2021-12-14 18:27:13,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:13,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29682094] [2021-12-14 18:27:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:13,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:27:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:27:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:27:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:27:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:27:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:27:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:27:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:27:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 18:27:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:27:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:27:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:27:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 18:27:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-14 18:27:13,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:13,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29682094] [2021-12-14 18:27:13,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29682094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:13,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:13,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:27:13,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135228241] [2021-12-14 18:27:13,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:13,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:27:13,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:13,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:27:13,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:13,883 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) [2021-12-14 18:27:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:26,604 INFO L93 Difference]: Finished difference Result 18792 states and 28166 transitions. [2021-12-14 18:27:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:27:26,604 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 [2021-12-14 18:27:26,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:26,698 INFO L225 Difference]: With dead ends: 18792 [2021-12-14 18:27:26,698 INFO L226 Difference]: Without dead ends: 13147 [2021-12-14 18:27:26,729 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 [2021-12-14 18:27:26,730 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 9985 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 6712 mSolverCounterSat, 6889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10799 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 13601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6889 IncrementalHoareTripleChecker+Valid, 6712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:26,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10799 Valid, 11412 Invalid, 13601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6889 Valid, 6712 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2021-12-14 18:27:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13147 states. [2021-12-14 18:27:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13147 to 11265. [2021-12-14 18:27:27,527 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) [2021-12-14 18:27:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 16707 transitions. [2021-12-14 18:27:27,573 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 16707 transitions. Word has length 248 [2021-12-14 18:27:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:27,574 INFO L470 AbstractCegarLoop]: Abstraction has 11265 states and 16707 transitions. [2021-12-14 18:27:27,575 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) [2021-12-14 18:27:27,575 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 16707 transitions. [2021-12-14 18:27:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-14 18:27:27,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:27,598 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] [2021-12-14 18:27:27,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:27:27,598 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1936131099, now seen corresponding path program 1 times [2021-12-14 18:27:27,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:27,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465678924] [2021-12-14 18:27:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:27,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:27:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:27:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:27:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:27:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:27:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 18:27:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:27:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:27:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 18:27:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:27:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:27:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:27:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 18:27:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-14 18:27:28,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:28,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465678924] [2021-12-14 18:27:28,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465678924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:28,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:28,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:27:28,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573656262] [2021-12-14 18:27:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:28,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:27:28,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:27:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:28,111 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) [2021-12-14 18:27:39,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:39,360 INFO L93 Difference]: Finished difference Result 35281 states and 52789 transitions. [2021-12-14 18:27:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:27:39,361 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 248 [2021-12-14 18:27:39,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:39,495 INFO L225 Difference]: With dead ends: 35281 [2021-12-14 18:27:39,495 INFO L226 Difference]: Without dead ends: 24047 [2021-12-14 18:27:39,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:27:39,553 INFO L933 BasicCegarLoop]: 4462 mSDtfsCounter, 9891 mSDsluCounter, 5303 mSDsCounter, 0 mSdLazyCounter, 7711 mSolverCounterSat, 6625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10664 SdHoareTripleChecker+Valid, 9765 SdHoareTripleChecker+Invalid, 14336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6625 IncrementalHoareTripleChecker+Valid, 7711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:39,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10664 Valid, 9765 Invalid, 14336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6625 Valid, 7711 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-12-14 18:27:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2021-12-14 18:27:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 23360. [2021-12-14 18:27:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23360 states, 16271 states have (on average 1.3796324749554423) internal successors, (22448), 16939 states have internal predecessors, (22448), 6179 states have call successors, (6179), 869 states have call predecessors, (6179), 909 states have return successors, (6395), 5901 states have call predecessors, (6395), 6179 states have call successors, (6395) [2021-12-14 18:27:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23360 states to 23360 states and 35022 transitions. [2021-12-14 18:27:40,904 INFO L78 Accepts]: Start accepts. Automaton has 23360 states and 35022 transitions. Word has length 248 [2021-12-14 18:27:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:40,905 INFO L470 AbstractCegarLoop]: Abstraction has 23360 states and 35022 transitions. [2021-12-14 18:27:40,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-14 18:27:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 23360 states and 35022 transitions. [2021-12-14 18:27:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-14 18:27:40,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:40,941 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2021-12-14 18:27:40,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:27:40,941 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:40,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash 102720254, now seen corresponding path program 1 times [2021-12-14 18:27:40,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:40,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218663108] [2021-12-14 18:27:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:40,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:27:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:27:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:27:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:27:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:27:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:27:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:27:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:27:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:27:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 18:27:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-14 18:27:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:27:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:27:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-14 18:27:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-12-14 18:27:41,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:41,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218663108] [2021-12-14 18:27:41,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218663108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:41,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:41,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:41,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076870543] [2021-12-14 18:27:41,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:41,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:41,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:41,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:41,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:41,460 INFO L87 Difference]: Start difference. First operand 23360 states and 35022 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)