./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.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 e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:14:00,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:14:00,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:14:00,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:14:00,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:14:00,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:14:00,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:14:00,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:14:00,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:14:00,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:14:00,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:14:00,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:14:00,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:14:00,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:14:00,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:14:00,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:14:00,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:14:00,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:14:00,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:14:00,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:14:00,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:14:00,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:14:00,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:14:00,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:14:00,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:14:00,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:14:00,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:14:00,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:14:00,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:14:00,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:14:00,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:14:00,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:14:00,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:14:00,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:14:00,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:14:00,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:14:00,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:14:00,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:14:00,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:14:00,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:14:00,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:14:00,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:14:00,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:14:00,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:14:00,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:14:00,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:14:00,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:14:00,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:14:00,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:14:00,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:14:00,414 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:14:00,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:14:00,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:14:00,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:14:00,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:14:00,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:14:00,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:14:00,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:14:00,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:14:00,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:14:00,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:14:00,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:14:00,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:14:00,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:14:00,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:14:00,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:14:00,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:14:00,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:14:00,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:14:00,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:14:00,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:14:00,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:14:00,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2021-12-28 05:14:00,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:14:00,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:14:00,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:14:00,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:14:00,753 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:14:00,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:14:00,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ad70fe8/25513fee9a0f44eeb10794b51dff3965/FLAG11d976acb [2021-12-28 05:14:01,604 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:14:01,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:14:01,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ad70fe8/25513fee9a0f44eeb10794b51dff3965/FLAG11d976acb [2021-12-28 05:14:02,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ad70fe8/25513fee9a0f44eeb10794b51dff3965 [2021-12-28 05:14:02,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:14:02,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:14:02,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:14:02,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:14:02,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:14:02,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:14:02" (1/1) ... [2021-12-28 05:14:02,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa648b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:02, skipping insertion in model container [2021-12-28 05:14:02,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:14:02" (1/1) ... [2021-12-28 05:14:02,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:14:02,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:14:05,410 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2021-12-28 05:14:05,412 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2021-12-28 05:14:05,413 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2021-12-28 05:14:05,413 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2021-12-28 05:14:05,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:14:05,533 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:14:05,909 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2021-12-28 05:14:05,909 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2021-12-28 05:14:05,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2021-12-28 05:14:05,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2021-12-28 05:14:05,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:14:06,306 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:14:06,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06 WrapperNode [2021-12-28 05:14:06,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:14:06,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:14:06,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:14:06,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:14:06,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,641 INFO L137 Inliner]: procedures = 543, calls = 4106, calls flagged for inlining = 313, calls inlined = 291, statements flattened = 8482 [2021-12-28 05:14:06,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:14:06,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:14:06,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:14:06,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:14:06,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:06,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:07,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:14:07,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:14:07,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:14:07,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:14:07,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (1/1) ... [2021-12-28 05:14:07,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:14:07,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:14:07,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:14:07,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:14:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-28 05:14:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-28 05:14:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:14:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:14:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:14:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:14:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:14:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:14:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-28 05:14:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-28 05:14:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-28 05:14:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-28 05:14:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-28 05:14:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-28 05:14:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-28 05:14:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-28 05:14:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-28 05:14:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-28 05:14:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:14:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:14:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-28 05:14:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-28 05:14:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:14:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:14:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:14:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:14:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-28 05:14:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-28 05:14:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-28 05:14:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-28 05:14:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-28 05:14:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-28 05:14:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:14:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:14:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-28 05:14:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-28 05:14:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-28 05:14:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-28 05:14:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:14:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:14:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:14:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:14:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:14:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:14:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:14:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:14:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-28 05:14:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-28 05:14:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-28 05:14:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-28 05:14:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:14:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:14:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 05:14:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 05:14:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-28 05:14:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-28 05:14:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 05:14:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 05:14:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:14:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:14:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:14:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-28 05:14:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-28 05:14:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 05:14:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 05:14:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 05:14:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 05:14:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-28 05:14:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-28 05:14:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-28 05:14:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-28 05:14:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-28 05:14:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:14:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:14:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:14:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:14:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:14:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-28 05:14:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-28 05:14:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-28 05:14:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-28 05:14:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:14:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:14:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-28 05:14:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-28 05:14:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:14:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:14:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:14:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-28 05:14:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-28 05:14:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:14:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:14:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:14:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:14:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:14:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:14:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:14:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:14:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:14:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-28 05:14:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-28 05:14:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-28 05:14:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-28 05:14:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:14:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:14:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:14:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:14:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-28 05:14:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-28 05:14:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-28 05:14:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-28 05:14:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:14:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:14:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:14:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:14:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:14:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:14:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:14:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 05:14:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 05:14:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-28 05:14:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-28 05:14:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 05:14:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 05:14:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-28 05:14:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-28 05:14:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:14:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:14:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:14:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:14:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:14:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:14:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-28 05:14:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:14:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:14:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:14:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-28 05:14:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:14:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:14:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 05:14:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 05:14:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-28 05:14:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-28 05:14:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:14:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:14:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-28 05:14:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-28 05:14:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-28 05:14:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-28 05:14:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 05:14:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 05:14:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:14:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:14:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 05:14:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 05:14:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-28 05:14:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-28 05:14:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 05:14:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 05:14:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:14:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:14:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:14:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 05:14:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 05:14:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-28 05:14:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-28 05:14:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-28 05:14:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-28 05:14:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:14:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:14:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-28 05:14:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-28 05:14:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:14:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:14:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-28 05:14:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-28 05:14:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:14:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:14:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-28 05:14:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-28 05:14:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:14:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:14:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 05:14:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 05:14:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-28 05:14:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-28 05:14:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:14:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:14:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 05:14:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 05:14:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 05:14:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 05:14:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:14:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:14:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:14:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:14:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:14:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:14:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 05:14:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 05:14:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:14:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:14:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:14:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:14:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:14:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:14:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-28 05:14:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-28 05:14:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:14:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:14:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-28 05:14:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-28 05:14:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:14:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:14:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-28 05:14:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-28 05:14:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:14:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:14:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:14:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-28 05:14:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-28 05:14:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:14:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:14:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-28 05:14:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-28 05:14:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-28 05:14:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-28 05:14:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-28 05:14:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-28 05:14:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:14:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:14:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-28 05:14:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-28 05:14:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:14:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:14:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 05:14:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 05:14:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-28 05:14:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-28 05:14:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-28 05:14:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-28 05:14:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-28 05:14:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-28 05:14:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-28 05:14:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-28 05:14:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-28 05:14:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-28 05:14:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:14:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:14:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 05:14:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 05:14:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:14:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:14:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:14:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:14:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-28 05:14:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-28 05:14:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-28 05:14:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-28 05:14:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-28 05:14:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-28 05:14:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:14:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:14:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:14:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:14:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 05:14:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 05:14:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:14:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:14:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:14:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:14:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:14:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-28 05:14:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-28 05:14:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-28 05:14:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-28 05:14:08,219 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:14:08,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:14:08,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:14:16,030 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:14:16,191 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:14:16,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:14:16,217 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-28 05:14:16,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:14:16 BoogieIcfgContainer [2021-12-28 05:14:16,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:14:16,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:14:16,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:14:16,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:14:16,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:14:02" (1/3) ... [2021-12-28 05:14:16,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50659b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:14:16, skipping insertion in model container [2021-12-28 05:14:16,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:14:06" (2/3) ... [2021-12-28 05:14:16,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50659b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:14:16, skipping insertion in model container [2021-12-28 05:14:16,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:14:16" (3/3) ... [2021-12-28 05:14:16,228 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:14:16,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:14:16,232 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 05:14:16,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:14:16,304 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:14:16,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-28 05:14:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) [2021-12-28 05:14:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-28 05:14:16,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:14:16,393 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:14:16,394 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] === [2021-12-28 05:14:16,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:14:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1301053960, now seen corresponding path program 1 times [2021-12-28 05:14:16,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:14:16,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17463049] [2021-12-28 05:14:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:14:16,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:14:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:14:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:14:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:14:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:14:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:14:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:14:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:14:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:14:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:14:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:14:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:14:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:14:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:14:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:14:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:14:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:14:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:14:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 05:14:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:14:17,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:14:17,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17463049] [2021-12-28 05:14:17,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17463049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:14:17,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:14:17,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:14:17,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16119405] [2021-12-28 05:14:17,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:14:17,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:14:17,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:14:17,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:14:17,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:14:17,660 INFO L87 Difference]: Start difference. First operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:14:25,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:14:25,293 INFO L93 Difference]: Finished difference Result 9063 states and 12947 transitions. [2021-12-28 05:14:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:14:25,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 203 [2021-12-28 05:14:25,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:14:25,380 INFO L225 Difference]: With dead ends: 9063 [2021-12-28 05:14:25,380 INFO L226 Difference]: Without dead ends: 6049 [2021-12-28 05:14:25,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:14:25,416 INFO L933 BasicCegarLoop]: 4278 mSDtfsCounter, 5294 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 3572 mSolverCounterSat, 2662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6004 SdHoareTripleChecker+Valid, 8063 SdHoareTripleChecker+Invalid, 6234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2662 IncrementalHoareTripleChecker+Valid, 3572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:14:25,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6004 Valid, 8063 Invalid, 6234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2662 Valid, 3572 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-28 05:14:25,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6049 states. [2021-12-28 05:14:25,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6049 to 5833. [2021-12-28 05:14:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5833 states, 3938 states have (on average 1.2600304723209752) internal successors, (4962), 4017 states have internal predecessors, (4962), 1580 states have call successors, (1580), 314 states have call predecessors, (1580), 313 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-12-28 05:14:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8119 transitions. [2021-12-28 05:14:25,831 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8119 transitions. Word has length 203 [2021-12-28 05:14:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:14:25,835 INFO L470 AbstractCegarLoop]: Abstraction has 5833 states and 8119 transitions. [2021-12-28 05:14:25,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:14:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8119 transitions. [2021-12-28 05:14:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-28 05:14:25,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:14:25,850 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:14:25,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:14:25,851 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] === [2021-12-28 05:14:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:14:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1310231461, now seen corresponding path program 1 times [2021-12-28 05:14:25,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:14:25,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273120794] [2021-12-28 05:14:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:14:25,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:14:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:14:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:14:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:14:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:14:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:14:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:14:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:14:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:14:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:14:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:14:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:14:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:14:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:14:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:14:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:14:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:14:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:14:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:14:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-28 05:14:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:14:26,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:14:26,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273120794] [2021-12-28 05:14:26,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273120794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:14:26,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:14:26,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:14:26,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360252343] [2021-12-28 05:14:26,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:14:26,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:14:26,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:14:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:14:26,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:14:26,582 INFO L87 Difference]: Start difference. First operand 5833 states and 8119 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:14:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:14:33,954 INFO L93 Difference]: Finished difference Result 14000 states and 19553 transitions. [2021-12-28 05:14:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:14:33,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-12-28 05:14:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:14:34,011 INFO L225 Difference]: With dead ends: 14000 [2021-12-28 05:14:34,012 INFO L226 Difference]: Without dead ends: 8204 [2021-12-28 05:14:34,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:14:34,043 INFO L933 BasicCegarLoop]: 4151 mSDtfsCounter, 4701 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 2511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 7891 SdHoareTripleChecker+Invalid, 6013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2511 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:14:34,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 7891 Invalid, 6013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2511 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-28 05:14:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2021-12-28 05:14:34,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 7874. [2021-12-28 05:14:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7874 states, 5330 states have (on average 1.2545966228893057) internal successors, (6687), 5435 states have internal predecessors, (6687), 2102 states have call successors, (2102), 442 states have call predecessors, (2102), 440 states have return successors, (2099), 2065 states have call predecessors, (2099), 2099 states have call successors, (2099) [2021-12-28 05:14:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7874 states to 7874 states and 10888 transitions. [2021-12-28 05:14:34,423 INFO L78 Accepts]: Start accepts. Automaton has 7874 states and 10888 transitions. Word has length 224 [2021-12-28 05:14:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:14:34,425 INFO L470 AbstractCegarLoop]: Abstraction has 7874 states and 10888 transitions. [2021-12-28 05:14:34,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:14:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 7874 states and 10888 transitions. [2021-12-28 05:14:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-28 05:14:34,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:14:34,434 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-12-28 05:14:34,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:14:34,434 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] === [2021-12-28 05:14:34,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:14:34,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2076824571, now seen corresponding path program 1 times [2021-12-28 05:14:34,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:14:34,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47625047] [2021-12-28 05:14:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:14:34,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:14:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:14:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:14:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:14:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:14:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:14:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:14:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:14:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:14:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:14:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:14:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:14:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:14:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:14:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:14:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:14:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:14:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:14:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:14:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:14:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:14:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 05:14:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-28 05:14:35,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:14:35,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47625047] [2021-12-28 05:14:35,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47625047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:14:35,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:14:35,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:14:35,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058493014] [2021-12-28 05:14:35,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:14:35,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:14:35,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:14:35,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:14:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:14:35,157 INFO L87 Difference]: Start difference. First operand 7874 states and 10888 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-28 05:14:42,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:14:42,108 INFO L93 Difference]: Finished difference Result 21440 states and 29832 transitions. [2021-12-28 05:14:42,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:14:42,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 238 [2021-12-28 05:14:42,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:14:42,186 INFO L225 Difference]: With dead ends: 21440 [2021-12-28 05:14:42,186 INFO L226 Difference]: Without dead ends: 13603 [2021-12-28 05:14:42,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:14:42,227 INFO L933 BasicCegarLoop]: 4245 mSDtfsCounter, 5212 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 3587 mSolverCounterSat, 2650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5916 SdHoareTripleChecker+Valid, 8010 SdHoareTripleChecker+Invalid, 6237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2650 IncrementalHoareTripleChecker+Valid, 3587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:14:42,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5916 Valid, 8010 Invalid, 6237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2650 Valid, 3587 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-28 05:14:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13603 states. [2021-12-28 05:14:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13603 to 13055. [2021-12-28 05:14:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13055 states, 8835 states have (on average 1.2529711375212225) internal successors, (11070), 9019 states have internal predecessors, (11070), 3485 states have call successors, (3485), 736 states have call predecessors, (3485), 733 states have return successors, (3482), 3416 states have call predecessors, (3482), 3482 states have call successors, (3482) [2021-12-28 05:14:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13055 states to 13055 states and 18037 transitions. [2021-12-28 05:14:42,778 INFO L78 Accepts]: Start accepts. Automaton has 13055 states and 18037 transitions. Word has length 238 [2021-12-28 05:14:42,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:14:42,779 INFO L470 AbstractCegarLoop]: Abstraction has 13055 states and 18037 transitions. [2021-12-28 05:14:42,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-28 05:14:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 13055 states and 18037 transitions. [2021-12-28 05:14:42,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-28 05:14:42,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:14:42,789 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2021-12-28 05:14:42,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:14:42,790 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] === [2021-12-28 05:14:42,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:14:42,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1447831510, now seen corresponding path program 1 times [2021-12-28 05:14:42,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:14:42,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404350324] [2021-12-28 05:14:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:14:42,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:14:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:14:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:14:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:14:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:14:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:14:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:14:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:14:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:14:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:14:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:14:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:14:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:14:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:14:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:14:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:14:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:14:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:14:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 05:14:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 05:14:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 05:14:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 05:14:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 05:14:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-28 05:14:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 05:14:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-28 05:14:43,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:14:43,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404350324] [2021-12-28 05:14:43,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404350324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:14:43,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:14:43,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:14:43,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314065569] [2021-12-28 05:14:43,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:14:43,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:14:43,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:14:43,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:14:43,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:14:43,421 INFO L87 Difference]: Start difference. First operand 13055 states and 18037 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:14:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:14:49,165 INFO L93 Difference]: Finished difference Result 35139 states and 48906 transitions. [2021-12-28 05:14:49,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:14:49,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 259 [2021-12-28 05:14:49,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:14:49,303 INFO L225 Difference]: With dead ends: 35139 [2021-12-28 05:14:49,303 INFO L226 Difference]: Without dead ends: 24460 [2021-12-28 05:14:49,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:14:49,366 INFO L933 BasicCegarLoop]: 6973 mSDtfsCounter, 4250 mSDsluCounter, 4920 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 1979 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 11893 SdHoareTripleChecker+Invalid, 5604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1979 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:14:49,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4956 Valid, 11893 Invalid, 5604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1979 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-28 05:14:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24460 states. [2021-12-28 05:14:50,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24460 to 23495. [2021-12-28 05:14:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23495 states, 15911 states have (on average 1.2537238388536234) internal successors, (19948), 16231 states have internal predecessors, (19948), 6263 states have call successors, (6263), 1322 states have call predecessors, (6263), 1319 states have return successors, (6260), 6154 states have call predecessors, (6260), 6260 states have call successors, (6260) [2021-12-28 05:14:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23495 states to 23495 states and 32471 transitions. [2021-12-28 05:14:50,568 INFO L78 Accepts]: Start accepts. Automaton has 23495 states and 32471 transitions. Word has length 259 [2021-12-28 05:14:50,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:14:50,569 INFO L470 AbstractCegarLoop]: Abstraction has 23495 states and 32471 transitions. [2021-12-28 05:14:50,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:14:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 23495 states and 32471 transitions. [2021-12-28 05:14:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-28 05:14:50,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:14:50,580 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2021-12-28 05:14:50,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:14:50,580 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] === [2021-12-28 05:14:50,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:14:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1581845016, now seen corresponding path program 1 times [2021-12-28 05:14:50,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:14:50,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189935993] [2021-12-28 05:14:50,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:14:50,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:14:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:14:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:14:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:14:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:14:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:14:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:14:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:14:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:14:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:14:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:14:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:14:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:14:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:14:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:14:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:14:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:14:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:14:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 05:14:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 05:14:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 05:14:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 05:14:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:14:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 05:14:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-28 05:14:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 05:14:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:14:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2021-12-28 05:14:51,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:14:51,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189935993] [2021-12-28 05:14:51,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189935993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:14:51,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:14:51,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:14:51,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745780776] [2021-12-28 05:14:51,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:14:51,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:14:51,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:14:51,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:14:51,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:14:51,393 INFO L87 Difference]: Start difference. First operand 23495 states and 32471 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)