./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:08:59,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:08:59,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:08:59,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:08:59,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:08:59,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:08:59,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:08:59,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:08:59,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:08:59,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:08:59,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:08:59,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:08:59,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:08:59,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:08:59,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:08:59,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:08:59,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:08:59,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:08:59,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:08:59,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:08:59,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:08:59,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:08:59,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:08:59,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:08:59,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:08:59,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:08:59,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:08:59,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:08:59,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:08:59,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:08:59,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:08:59,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:08:59,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:08:59,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:08:59,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:08:59,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:08:59,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:08:59,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:08:59,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:08:59,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:08:59,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:08:59,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:08:59,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:08:59,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:08:59,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:08:59,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:08:59,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:08:59,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:08:59,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:08:59,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:08:59,404 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:08:59,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:08:59,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:08:59,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:08:59,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:08:59,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:08:59,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:08:59,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:08:59,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:08:59,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:08:59,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:08:59,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:08:59,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:08:59,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2021-12-21 17:08:59,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:08:59,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:08:59,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:08:59,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:08:59,640 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:08:59,642 INFO L432 ainManager$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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-21 17:08:59,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a01ee82de/67acc252389d4da9bbd288fcd6e6d6f1/FLAG3ab1c276c [2021-12-21 17:09:00,418 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:09:00,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-21 17:09:00,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a01ee82de/67acc252389d4da9bbd288fcd6e6d6f1/FLAG3ab1c276c [2021-12-21 17:09:00,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a01ee82de/67acc252389d4da9bbd288fcd6e6d6f1 [2021-12-21 17:09:00,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:09:00,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:09:00,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:09:00,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:09:00,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:09:00,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:09:00" (1/1) ... [2021-12-21 17:09:00,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244d007f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:00, skipping insertion in model container [2021-12-21 17:09:00,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:09:00" (1/1) ... [2021-12-21 17:09:00,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:09:01,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:09:04,304 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2021-12-21 17:09:04,307 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2021-12-21 17:09:04,307 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2021-12-21 17:09:04,308 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2021-12-21 17:09:04,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:09:04,393 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:09:04,746 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2021-12-21 17:09:04,747 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2021-12-21 17:09:04,747 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2021-12-21 17:09:04,748 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-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2021-12-21 17:09:04,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:09:04,943 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:09:04,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04 WrapperNode [2021-12-21 17:09:04,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:09:04,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:09:04,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:09:04,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:09:04,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,270 INFO L137 Inliner]: procedures = 578, calls = 5653, calls flagged for inlining = 344, calls inlined = 320, statements flattened = 10716 [2021-12-21 17:09:05,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:09:05,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:09:05,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:09:05,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:09:05,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:09:05,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:09:05,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:09:05,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:09:05,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (1/1) ... [2021-12-21 17:09:05,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:09:05,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:09:05,691 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) [2021-12-21 17:09:05,727 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 [2021-12-21 17:09:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-21 17:09:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-21 17:09:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-21 17:09:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-21 17:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-21 17:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-21 17:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-21 17:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-21 17:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-21 17:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-21 17:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-21 17:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-21 17:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-21 17:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-21 17:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-21 17:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-21 17:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-21 17:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-21 17:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-21 17:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-21 17:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-21 17:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-21 17:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-21 17:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-21 17:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-21 17:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-21 17:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-21 17:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-21 17:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-21 17:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-21 17:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-21 17:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-21 17:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-21 17:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-21 17:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-21 17:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-21 17:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-21 17:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-21 17:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2021-12-21 17:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2021-12-21 17:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-21 17:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-21 17:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 17:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 17:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-21 17:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-21 17:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 17:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 17:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 17:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 17:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-21 17:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-21 17:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 17:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 17:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-21 17:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-21 17:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-21 17:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-21 17:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-21 17:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-21 17:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 17:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 17:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-21 17:09:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-21 17:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-21 17:09:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-21 17:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-21 17:09:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-21 17:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-21 17:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-21 17:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-21 17:09:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-21 17:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:09:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:09:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-21 17:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-21 17:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-21 17:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-21 17:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-21 17:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-21 17:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 17:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 17:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-21 17:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-21 17:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:09:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:09:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:09:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-21 17:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-21 17:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-21 17:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-21 17:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 17:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 17:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-21 17:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-21 17:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-21 17:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-21 17:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-21 17:09:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-21 17:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:09:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-21 17:09:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-21 17:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:09:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-21 17:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-21 17:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-21 17:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-21 17:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-21 17:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-21 17:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-21 17:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-21 17:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-21 17:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-21 17:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-21 17:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-21 17:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 17:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 17:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-21 17:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-21 17:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-21 17:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-21 17:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-21 17:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-21 17:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-21 17:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-21 17:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-21 17:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-21 17:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-21 17:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-21 17:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-21 17:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-21 17:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-21 17:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-21 17:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-21 17:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-21 17:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-21 17:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-21 17:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-21 17:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-21 17:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-21 17:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-21 17:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-21 17:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-21 17:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-21 17:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-21 17:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-21 17:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-21 17:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-21 17:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-21 17:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 17:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 17:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-21 17:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-21 17:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-21 17:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-21 17:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 17:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 17:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-21 17:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-21 17:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 17:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 17:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-21 17:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-21 17:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-21 17:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-21 17:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 17:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 17:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-21 17:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-21 17:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 17:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 17:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-21 17:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-21 17:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-21 17:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-21 17:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-21 17:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-21 17:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-21 17:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-21 17:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-21 17:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-21 17:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-21 17:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-21 17:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-21 17:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-21 17:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-21 17:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-21 17:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-21 17:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-21 17:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-21 17:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-21 17:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-21 17:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-21 17:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-21 17:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-21 17:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-21 17:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-21 17:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-21 17:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-21 17:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:09:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 17:09:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 17:09:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-21 17:09:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-21 17:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-21 17:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-21 17:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-21 17:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-21 17:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 17:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 17:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 17:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 17:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-21 17:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-21 17:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-21 17:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-21 17:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-21 17:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-21 17:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-21 17:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-21 17:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-21 17:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-21 17:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-21 17:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-21 17:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-21 17:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-21 17:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:09:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:09:06,654 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:09:06,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:09:06,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:09:17,375 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:09:17,554 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:09:17,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:09:17,581 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 17:09:17,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:09:17 BoogieIcfgContainer [2021-12-21 17:09:17,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:09:17,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:09:17,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:09:17,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:09:17,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:09:00" (1/3) ... [2021-12-21 17:09:17,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3636cd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:09:17, skipping insertion in model container [2021-12-21 17:09:17,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:09:04" (2/3) ... [2021-12-21 17:09:17,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3636cd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:09:17, skipping insertion in model container [2021-12-21 17:09:17,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:09:17" (3/3) ... [2021-12-21 17:09:17,592 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-21 17:09:17,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:09:17,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 17:09:17,642 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:09:17,651 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 [2021-12-21 17:09:17,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 17:09:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 3374 states, 2352 states have (on average 1.2699829931972788) internal successors, (2987), 2396 states have internal predecessors, (2987), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) [2021-12-21 17:09:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-21 17:09:17,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:17,727 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:17,728 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:17,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:17,731 INFO L85 PathProgramCache]: Analyzing trace with hash -130669535, now seen corresponding path program 1 times [2021-12-21 17:09:17,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:17,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297311425] [2021-12-21 17:09:17,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:17,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 17:09:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 17:09:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-21 17:09:18,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297311425] [2021-12-21 17:09:18,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297311425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:18,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:18,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:18,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105204684] [2021-12-21 17:09:18,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:18,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:18,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:18,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:18,954 INFO L87 Difference]: Start difference. First operand has 3374 states, 2352 states have (on average 1.2699829931972788) internal successors, (2987), 2396 states have internal predecessors, (2987), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 17:09:24,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:09:28,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:28,309 INFO L93 Difference]: Finished difference Result 10048 states and 14341 transitions. [2021-12-21 17:09:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:28,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 260 [2021-12-21 17:09:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:28,369 INFO L225 Difference]: With dead ends: 10048 [2021-12-21 17:09:28,369 INFO L226 Difference]: Without dead ends: 6702 [2021-12-21 17:09:28,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:28,395 INFO L933 BasicCegarLoop]: 5223 mSDtfsCounter, 5264 mSDsluCounter, 6238 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 2045 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5915 SdHoareTripleChecker+Valid, 11461 SdHoareTripleChecker+Invalid, 4491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:28,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5915 Valid, 11461 Invalid, 4491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2045 Valid, 2445 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-12-21 17:09:28,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-12-21 17:09:28,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 6570. [2021-12-21 17:09:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6570 states, 4594 states have (on average 1.264257727470614) internal successors, (5808), 4679 states have internal predecessors, (5808), 1639 states have call successors, (1639), 336 states have call predecessors, (1639), 335 states have return successors, (1636), 1602 states have call predecessors, (1636), 1636 states have call successors, (1636) [2021-12-21 17:09:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9083 transitions. [2021-12-21 17:09:28,816 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9083 transitions. Word has length 260 [2021-12-21 17:09:28,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:28,821 INFO L470 AbstractCegarLoop]: Abstraction has 6570 states and 9083 transitions. [2021-12-21 17:09:28,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 17:09:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9083 transitions. [2021-12-21 17:09:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-21 17:09:28,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:28,835 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:28,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:09:28,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1305330380, now seen corresponding path program 1 times [2021-12-21 17:09:28,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575701560] [2021-12-21 17:09:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:28,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 17:09:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 17:09:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 17:09:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-21 17:09:29,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:29,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575701560] [2021-12-21 17:09:29,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575701560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:29,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:29,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:29,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111048058] [2021-12-21 17:09:29,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:29,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:29,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:29,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:29,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:29,640 INFO L87 Difference]: Start difference. First operand 6570 states and 9083 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 17:09:34,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:09:37,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:37,688 INFO L93 Difference]: Finished difference Result 15499 states and 21552 transitions. [2021-12-21 17:09:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:37,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2021-12-21 17:09:37,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:37,740 INFO L225 Difference]: With dead ends: 15499 [2021-12-21 17:09:37,740 INFO L226 Difference]: Without dead ends: 8976 [2021-12-21 17:09:37,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:37,771 INFO L933 BasicCegarLoop]: 5092 mSDtfsCounter, 4526 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 1893 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5083 SdHoareTripleChecker+Valid, 11280 SdHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1893 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:37,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5083 Valid, 11280 Invalid, 4271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1893 Valid, 2377 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2021-12-21 17:09:37,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2021-12-21 17:09:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 8780. [2021-12-21 17:09:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8780 states, 6124 states have (on average 1.2570215545395167) internal successors, (7698), 6244 states have internal predecessors, (7698), 2169 states have call successors, (2169), 487 states have call predecessors, (2169), 485 states have return successors, (2166), 2114 states have call predecessors, (2166), 2166 states have call successors, (2166) [2021-12-21 17:09:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8780 states to 8780 states and 12033 transitions. [2021-12-21 17:09:38,219 INFO L78 Accepts]: Start accepts. Automaton has 8780 states and 12033 transitions. Word has length 278 [2021-12-21 17:09:38,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:38,220 INFO L470 AbstractCegarLoop]: Abstraction has 8780 states and 12033 transitions. [2021-12-21 17:09:38,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 17:09:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 8780 states and 12033 transitions. [2021-12-21 17:09:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-21 17:09:38,228 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:38,228 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 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] [2021-12-21 17:09:38,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:09:38,229 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:38,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1960649594, now seen corresponding path program 1 times [2021-12-21 17:09:38,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:38,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605053049] [2021-12-21 17:09:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:38,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 17:09:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 17:09:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:09:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:09:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-21 17:09:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2021-12-21 17:09:38,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:38,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605053049] [2021-12-21 17:09:38,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605053049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:38,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:38,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:38,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814962208] [2021-12-21 17:09:38,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:38,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:38,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:38,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:38,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:38,897 INFO L87 Difference]: Start difference. First operand 8780 states and 12033 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-21 17:09:44,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:09:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:46,636 INFO L93 Difference]: Finished difference Result 23658 states and 32764 transitions. [2021-12-21 17:09:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:46,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2021-12-21 17:09:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:46,727 INFO L225 Difference]: With dead ends: 23658 [2021-12-21 17:09:46,727 INFO L226 Difference]: Without dead ends: 14925 [2021-12-21 17:09:46,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:46,758 INFO L933 BasicCegarLoop]: 5196 mSDtfsCounter, 5187 mSDsluCounter, 6237 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 2028 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5833 SdHoareTripleChecker+Valid, 11433 SdHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2028 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:46,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5833 Valid, 11433 Invalid, 4479 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2028 Valid, 2450 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-12-21 17:09:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14925 states. [2021-12-21 17:09:47,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14925 to 14599. [2021-12-21 17:09:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14599 states, 10193 states have (on average 1.2561561856175807) internal successors, (12804), 10401 states have internal predecessors, (12804), 3598 states have call successors, (3598), 809 states have call predecessors, (3598), 806 states have return successors, (3595), 3499 states have call predecessors, (3595), 3595 states have call successors, (3595) [2021-12-21 17:09:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14599 states to 14599 states and 19997 transitions. [2021-12-21 17:09:47,225 INFO L78 Accepts]: Start accepts. Automaton has 14599 states and 19997 transitions. Word has length 292 [2021-12-21 17:09:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:47,227 INFO L470 AbstractCegarLoop]: Abstraction has 14599 states and 19997 transitions. [2021-12-21 17:09:47,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-21 17:09:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 14599 states and 19997 transitions. [2021-12-21 17:09:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-21 17:09:47,238 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:47,239 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:47,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:09:47,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:47,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:47,239 INFO L85 PathProgramCache]: Analyzing trace with hash 310395891, now seen corresponding path program 1 times [2021-12-21 17:09:47,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:47,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616882339] [2021-12-21 17:09:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:47,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 17:09:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 17:09:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-21 17:09:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 17:09:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-21 17:09:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:09:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:09:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-21 17:09:47,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:47,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616882339] [2021-12-21 17:09:47,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616882339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:47,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:47,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:47,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104361290] [2021-12-21 17:09:47,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:47,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:47,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:47,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:47,870 INFO L87 Difference]: Start difference. First operand 14599 states and 19997 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-21 17:09:49,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:09:52,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:09:58,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:58,233 INFO L93 Difference]: Finished difference Result 38789 states and 53782 transitions. [2021-12-21 17:09:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:58,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 320 [2021-12-21 17:09:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:58,338 INFO L225 Difference]: With dead ends: 38789 [2021-12-21 17:09:58,338 INFO L226 Difference]: Without dead ends: 26834 [2021-12-21 17:09:58,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:58,378 INFO L933 BasicCegarLoop]: 8677 mSDtfsCounter, 4523 mSDsluCounter, 8220 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 1247 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5171 SdHoareTripleChecker+Valid, 16897 SdHoareTripleChecker+Invalid, 3837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1247 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:58,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5171 Valid, 16897 Invalid, 3837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1247 Valid, 2589 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2021-12-21 17:09:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26834 states. [2021-12-21 17:09:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26834 to 26263. [2021-12-21 17:09:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26263 states, 18357 states have (on average 1.256850247861851) internal successors, (23072), 18719 states have internal predecessors, (23072), 6456 states have call successors, (6456), 1451 states have call predecessors, (6456), 1448 states have return successors, (6461), 6289 states have call predecessors, (6461), 6453 states have call successors, (6461) [2021-12-21 17:09:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26263 states to 26263 states and 35989 transitions. [2021-12-21 17:09:59,200 INFO L78 Accepts]: Start accepts. Automaton has 26263 states and 35989 transitions. Word has length 320 [2021-12-21 17:09:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:59,202 INFO L470 AbstractCegarLoop]: Abstraction has 26263 states and 35989 transitions. [2021-12-21 17:09:59,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-21 17:09:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 26263 states and 35989 transitions. [2021-12-21 17:09:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-21 17:09:59,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:59,216 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:59,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:09:59,216 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash 372435505, now seen corresponding path program 1 times [2021-12-21 17:09:59,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:59,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221389697] [2021-12-21 17:09:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:59,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat