./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:46:53,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:46:53,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:46:53,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:46:53,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:46:53,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:46:53,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:46:53,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:46:53,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:46:53,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:46:53,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:46:53,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:46:53,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:46:53,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:46:53,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:46:53,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:46:53,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:46:53,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:46:53,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:46:53,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:46:53,502 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:46:53,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:46:53,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:46:53,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:46:53,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:46:53,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:46:53,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:46:53,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:46:53,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:46:53,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:46:53,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:46:53,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:46:53,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:46:53,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:46:53,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:46:53,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:46:53,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:46:53,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:46:53,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:46:53,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:46:53,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:46:53,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:46:53,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:46:53,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:46:53,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:46:53,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:46:53,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:46:53,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:46:53,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:46:53,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:46:53,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:46:53,532 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:46:53,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:46:53,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:46:53,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:46:53,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:46:53,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:46:53,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:46:53,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:46:53,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:46:53,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:46:53,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:46:53,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:46:53,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:46:53,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:46:53,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:46:53,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:46:53,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:46:53,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2022-07-20 01:46:53,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:46:53,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:46:53,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:46:53,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:46:53,770 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:46:53,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-20 01:46:53,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23ebc0128/2453b3557fdb4a44a213106ce79084bd/FLAG3aa02ed27 [2022-07-20 01:46:54,476 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:46:54,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-20 01:46:54,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23ebc0128/2453b3557fdb4a44a213106ce79084bd/FLAG3aa02ed27 [2022-07-20 01:46:54,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23ebc0128/2453b3557fdb4a44a213106ce79084bd [2022-07-20 01:46:54,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:46:54,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:46:54,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:54,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:46:54,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:46:54,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:54" (1/1) ... [2022-07-20 01:46:54,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71938a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:54, skipping insertion in model container [2022-07-20 01:46:54,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:54" (1/1) ... [2022-07-20 01:46:54,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:46:54,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:46:57,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2022-07-20 01:46:57,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2022-07-20 01:46:57,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:57,543 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:46:57,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2022-07-20 01:46:57,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2022-07-20 01:46:57,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:58,015 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:46:58,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58 WrapperNode [2022-07-20 01:46:58,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:58,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:58,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:46:58,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:46:58,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,403 INFO L137 Inliner]: procedures = 567, calls = 5409, calls flagged for inlining = 289, calls inlined = 263, statements flattened = 12247 [2022-07-20 01:46:58,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:58,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:46:58,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:46:58,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:46:58,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:46:58,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:46:58,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:46:58,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:46:58,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (1/1) ... [2022-07-20 01:46:58,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:46:58,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:46:58,789 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) [2022-07-20 01:46:58,803 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 [2022-07-20 01:46:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-20 01:46:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-20 01:46:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-20 01:46:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-20 01:46:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:46:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:46:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:46:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:46:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 01:46:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 01:46:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-07-20 01:46:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-07-20 01:46:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:46:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:46:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-20 01:46:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-20 01:46:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-20 01:46:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-20 01:46:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:46:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:46:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 01:46:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 01:46:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:46:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:46:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 01:46:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 01:46:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:46:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:46:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 01:46:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 01:46:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 01:46:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 01:46:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 01:46:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 01:46:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-20 01:46:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-20 01:46:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:46:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:46:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:46:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:46:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:46:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:46:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-20 01:46:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-20 01:46:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:46:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:46:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 01:46:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 01:46:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:46:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:46:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:46:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:46:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:46:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:46:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:46:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:46:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:46:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-20 01:46:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-20 01:46:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-20 01:46:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-20 01:46:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 01:46:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 01:46:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-20 01:46:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-20 01:46:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:46:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:46:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-20 01:46:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-20 01:46:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-20 01:46:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-20 01:46:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-20 01:46:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-20 01:46:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:46:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-20 01:46:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-20 01:46:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-20 01:46:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-20 01:46:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:46:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:46:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:46:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:46:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:46:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:46:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:46:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:46:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 01:46:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 01:46:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:46:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:46:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 01:46:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 01:46:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:46:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:46:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 01:46:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 01:46:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 01:46:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 01:46:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:46:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:46:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:46:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:46:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-20 01:46:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-20 01:46:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 01:46:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 01:46:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:46:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:46:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-20 01:46:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-20 01:46:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-20 01:46:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-20 01:46:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:46:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:46:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:46:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:46:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:46:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 01:46:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 01:46:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 01:46:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 01:46:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:46:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:46:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:46:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:46:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:46:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:46:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-20 01:46:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-20 01:46:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 01:46:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 01:46:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 01:46:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 01:46:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:46:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:46:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:46:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:46:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:46:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:46:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-20 01:46:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-20 01:46:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 01:46:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 01:46:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 01:46:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 01:46:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:46:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:46:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 01:46:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 01:46:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-20 01:46:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-20 01:46:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:46:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:46:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-20 01:46:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:46:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-20 01:46:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:46:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:46:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 01:46:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 01:46:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 01:46:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 01:46:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-20 01:46:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-20 01:46:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:46:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:46:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-20 01:46:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-20 01:46:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-20 01:46:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-20 01:46:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 01:46:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 01:46:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-20 01:46:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-20 01:46:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-20 01:46:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-20 01:46:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:46:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:46:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-20 01:46:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-20 01:46:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-20 01:46:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-20 01:46:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:46:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:46:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:46:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-20 01:46:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 01:46:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:46:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-20 01:46:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-20 01:46:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:46:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:46:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:46:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:46:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:46:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 01:46:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 01:46:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-20 01:46:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-20 01:46:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:46:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-20 01:46:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-20 01:46:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-20 01:46:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-20 01:46:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-20 01:46:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-20 01:46:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:46:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:46:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 01:46:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 01:46:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-20 01:46:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-20 01:46:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:46:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:46:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 01:46:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 01:46:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-20 01:46:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-20 01:46:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 01:46:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 01:46:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-20 01:46:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-20 01:46:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2022-07-20 01:46:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2022-07-20 01:46:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-20 01:46:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-20 01:46:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2022-07-20 01:46:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2022-07-20 01:46:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 01:46:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 01:46:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:46:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:46:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 01:46:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 01:46:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:46:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:46:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:46:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:46:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:46:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-20 01:46:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-20 01:46:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:46:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:46:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2022-07-20 01:46:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2022-07-20 01:46:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-20 01:46:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-20 01:46:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-20 01:46:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-20 01:46:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:46:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:46:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-20 01:46:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-20 01:46:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 01:46:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 01:46:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:46:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:46:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 01:46:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 01:46:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 01:46:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 01:46:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 01:46:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 01:46:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-20 01:46:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-20 01:46:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 01:46:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 01:46:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-20 01:46:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-20 01:46:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:46:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-20 01:46:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-20 01:46:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:46:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:46:59,721 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:46:59,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:47:00,493 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:47:06,119 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:47:06,240 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:47:06,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:47:06,267 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 01:47:06,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:47:06 BoogieIcfgContainer [2022-07-20 01:47:06,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:47:06,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:47:06,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:47:06,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:47:06,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:46:54" (1/3) ... [2022-07-20 01:47:06,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776b289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:47:06, skipping insertion in model container [2022-07-20 01:47:06,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:58" (2/3) ... [2022-07-20 01:47:06,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776b289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:47:06, skipping insertion in model container [2022-07-20 01:47:06,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:47:06" (3/3) ... [2022-07-20 01:47:06,279 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-20 01:47:06,289 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:47:06,290 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:47:06,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:47:06,391 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3488f2dd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e5e21d4 [2022-07-20 01:47:06,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:47:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 3845 states, 2757 states have (on average 1.4439608269858542) internal successors, (3981), 2856 states have internal predecessors, (3981), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) [2022-07-20 01:47:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 01:47:06,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:06,443 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:06,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:06,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2088351751, now seen corresponding path program 1 times [2022-07-20 01:47:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:06,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443225458] [2022-07-20 01:47:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:06,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:47:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:47:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:47:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:47:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:47:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 01:47:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:47:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-07-20 01:47:07,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:07,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443225458] [2022-07-20 01:47:07,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443225458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:07,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:07,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:47:07,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923352684] [2022-07-20 01:47:07,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:07,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:47:07,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:07,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:47:07,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:47:07,526 INFO L87 Difference]: Start difference. First operand has 3845 states, 2757 states have (on average 1.4439608269858542) internal successors, (3981), 2856 states have internal predecessors, (3981), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 01:47:12,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:12,694 INFO L93 Difference]: Finished difference Result 10247 states and 15829 transitions. [2022-07-20 01:47:12,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:47:12,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-20 01:47:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:12,782 INFO L225 Difference]: With dead ends: 10247 [2022-07-20 01:47:12,782 INFO L226 Difference]: Without dead ends: 6365 [2022-07-20 01:47:12,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:12,814 INFO L413 NwaCegarLoop]: 5897 mSDtfsCounter, 4508 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 3416 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5160 SdHoareTripleChecker+Valid, 12687 SdHoareTripleChecker+Invalid, 5536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 3416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:12,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5160 Valid, 12687 Invalid, 5536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 3416 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 01:47:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6365 states. [2022-07-20 01:47:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6365 to 6206. [2022-07-20 01:47:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 4464 states have (on average 1.368279569892473) internal successors, (6108), 4618 states have internal predecessors, (6108), 1520 states have call successors, (1520), 221 states have call predecessors, (1520), 221 states have return successors, (1520), 1449 states have call predecessors, (1520), 1520 states have call successors, (1520) [2022-07-20 01:47:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 9148 transitions. [2022-07-20 01:47:13,203 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 9148 transitions. Word has length 194 [2022-07-20 01:47:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:13,205 INFO L495 AbstractCegarLoop]: Abstraction has 6206 states and 9148 transitions. [2022-07-20 01:47:13,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 01:47:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 9148 transitions. [2022-07-20 01:47:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 01:47:13,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:13,225 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:13,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:47:13,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:13,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:13,226 INFO L85 PathProgramCache]: Analyzing trace with hash 517221532, now seen corresponding path program 1 times [2022-07-20 01:47:13,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:13,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723793132] [2022-07-20 01:47:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:13,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:47:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:47:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:47:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:47:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 01:47:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:47:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 01:47:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 01:47:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:47:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:47:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:47:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 01:47:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:47:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 01:47:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-07-20 01:47:13,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723793132] [2022-07-20 01:47:13,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723793132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:13,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:13,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:13,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475495502] [2022-07-20 01:47:13,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:13,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:13,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:13,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:13,759 INFO L87 Difference]: Start difference. First operand 6206 states and 9148 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:25,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:25,133 INFO L93 Difference]: Finished difference Result 19583 states and 29118 transitions. [2022-07-20 01:47:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:25,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 250 [2022-07-20 01:47:25,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:25,204 INFO L225 Difference]: With dead ends: 19583 [2022-07-20 01:47:25,205 INFO L226 Difference]: Without dead ends: 13408 [2022-07-20 01:47:25,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:25,231 INFO L413 NwaCegarLoop]: 4943 mSDtfsCounter, 11359 mSDsluCounter, 5935 mSDsCounter, 0 mSdLazyCounter, 8133 mSolverCounterSat, 6623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12132 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 14756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6623 IncrementalHoareTripleChecker+Valid, 8133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:25,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12132 Valid, 10878 Invalid, 14756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6623 Valid, 8133 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-07-20 01:47:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13408 states. [2022-07-20 01:47:25,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13408 to 13044. [2022-07-20 01:47:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13044 states, 9437 states have (on average 1.379251880894352) internal successors, (13016), 9769 states have internal predecessors, (13016), 3146 states have call successors, (3146), 439 states have call predecessors, (3146), 460 states have return successors, (3260), 3011 states have call predecessors, (3260), 3146 states have call successors, (3260) [2022-07-20 01:47:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13044 states to 13044 states and 19422 transitions. [2022-07-20 01:47:25,884 INFO L78 Accepts]: Start accepts. Automaton has 13044 states and 19422 transitions. Word has length 250 [2022-07-20 01:47:25,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:25,884 INFO L495 AbstractCegarLoop]: Abstraction has 13044 states and 19422 transitions. [2022-07-20 01:47:25,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 13044 states and 19422 transitions. [2022-07-20 01:47:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 01:47:25,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:25,898 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:25,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:47:25,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:25,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:25,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1646378400, now seen corresponding path program 1 times [2022-07-20 01:47:25,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:25,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215925040] [2022-07-20 01:47:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:47:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:47:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:47:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:47:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:47:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:47:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 01:47:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 01:47:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:47:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:47:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:47:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 01:47:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:47:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 01:47:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-20 01:47:26,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:26,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215925040] [2022-07-20 01:47:26,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215925040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:26,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:26,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102141139] [2022-07-20 01:47:26,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:26,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:26,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:26,342 INFO L87 Difference]: Start difference. First operand 13044 states and 19422 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:38,604 INFO L93 Difference]: Finished difference Result 39412 states and 58770 transitions. [2022-07-20 01:47:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:38,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 250 [2022-07-20 01:47:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:38,740 INFO L225 Difference]: With dead ends: 39412 [2022-07-20 01:47:38,741 INFO L226 Difference]: Without dead ends: 26399 [2022-07-20 01:47:38,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:38,804 INFO L413 NwaCegarLoop]: 5622 mSDtfsCounter, 11189 mSDsluCounter, 6262 mSDsCounter, 0 mSdLazyCounter, 8105 mSolverCounterSat, 6786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12005 SdHoareTripleChecker+Valid, 11884 SdHoareTripleChecker+Invalid, 14891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6786 IncrementalHoareTripleChecker+Valid, 8105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:38,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12005 Valid, 11884 Invalid, 14891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6786 Valid, 8105 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-07-20 01:47:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26399 states. [2022-07-20 01:47:39,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26399 to 25645. [2022-07-20 01:47:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25645 states, 18556 states have (on average 1.3807393834878205) internal successors, (25621), 19224 states have internal predecessors, (25621), 6179 states have call successors, (6179), 869 states have call predecessors, (6179), 909 states have return successors, (6395), 5901 states have call predecessors, (6395), 6179 states have call successors, (6395) [2022-07-20 01:47:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25645 states to 25645 states and 38195 transitions. [2022-07-20 01:47:39,898 INFO L78 Accepts]: Start accepts. Automaton has 25645 states and 38195 transitions. Word has length 250 [2022-07-20 01:47:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:39,898 INFO L495 AbstractCegarLoop]: Abstraction has 25645 states and 38195 transitions. [2022-07-20 01:47:39,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 25645 states and 38195 transitions. [2022-07-20 01:47:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-20 01:47:39,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:39,928 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:39,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:47:39,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:39,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:39,929 INFO L85 PathProgramCache]: Analyzing trace with hash 767896882, now seen corresponding path program 1 times [2022-07-20 01:47:39,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:39,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537422882] [2022-07-20 01:47:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:47:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:47:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:47:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:47:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:47:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:47:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 01:47:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 01:47:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 01:47:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 01:47:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:47:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 01:47:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:47:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:47:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2022-07-20 01:47:40,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:40,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537422882] [2022-07-20 01:47:40,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537422882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:40,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:40,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:47:40,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312281247] [2022-07-20 01:47:40,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:40,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:47:40,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:40,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:47:40,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:47:40,467 INFO L87 Difference]: Start difference. First operand 25645 states and 38195 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:45,436 INFO L93 Difference]: Finished difference Result 62259 states and 92889 transitions. [2022-07-20 01:47:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:47:45,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 258 [2022-07-20 01:47:45,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:45,631 INFO L225 Difference]: With dead ends: 62259 [2022-07-20 01:47:45,632 INFO L226 Difference]: Without dead ends: 36645 [2022-07-20 01:47:45,729 INFO L412 NwaCegarLoop]: 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 [2022-07-20 01:47:45,731 INFO L413 NwaCegarLoop]: 8766 mSDtfsCounter, 3836 mSDsluCounter, 8500 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4470 SdHoareTripleChecker+Valid, 17266 SdHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:45,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4470 Valid, 17266 Invalid, 4812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1418 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 01:47:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36645 states. [2022-07-20 01:47:47,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36645 to 35827. [2022-07-20 01:47:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35827 states, 25879 states have (on average 1.3813903164728158) internal successors, (35749), 26799 states have internal predecessors, (35749), 8664 states have call successors, (8664), 1224 states have call predecessors, (8664), 1283 states have return successors, (8972), 8288 states have call predecessors, (8972), 8664 states have call successors, (8972) [2022-07-20 01:47:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35827 states to 35827 states and 53385 transitions. [2022-07-20 01:47:47,435 INFO L78 Accepts]: Start accepts. Automaton has 35827 states and 53385 transitions. Word has length 258 [2022-07-20 01:47:47,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:47,436 INFO L495 AbstractCegarLoop]: Abstraction has 35827 states and 53385 transitions. [2022-07-20 01:47:47,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 01:47:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 35827 states and 53385 transitions. [2022-07-20 01:47:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 01:47:47,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:47,464 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 13, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:47,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:47:47,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:47,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:47,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1590443883, now seen corresponding path program 1 times [2022-07-20 01:47:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:47,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85373379] [2022-07-20 01:47:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:47:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:47:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:47:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:47:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:47:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:47:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:47:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:47:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:47:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:47:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:47:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:47:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:47:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:47:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:47:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:47:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:47:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 01:47:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:47:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:47:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:47:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:47:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:47:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:47:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 01:47:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 01:47:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:47:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:47:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:47:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2022-07-20 01:47:47,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:47:47,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85373379] [2022-07-20 01:47:47,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85373379] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:47:47,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:47:47,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:47:47,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472874517] [2022-07-20 01:47:47,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:47:47,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:47:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:47:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:47:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:47:47,834 INFO L87 Difference]: Start difference. First operand 35827 states and 53385 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:47:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:47:57,725 INFO L93 Difference]: Finished difference Result 77715 states and 115861 transitions. [2022-07-20 01:47:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:47:57,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 274 [2022-07-20 01:47:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:47:58,087 INFO L225 Difference]: With dead ends: 77715 [2022-07-20 01:47:58,087 INFO L226 Difference]: Without dead ends: 41919 [2022-07-20 01:47:58,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:47:58,174 INFO L413 NwaCegarLoop]: 5220 mSDtfsCounter, 9061 mSDsluCounter, 6140 mSDsCounter, 0 mSdLazyCounter, 7383 mSolverCounterSat, 5636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9712 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 13019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5636 IncrementalHoareTripleChecker+Valid, 7383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:47:58,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9712 Valid, 11360 Invalid, 13019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5636 Valid, 7383 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-20 01:47:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41919 states. [2022-07-20 01:47:59,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41919 to 40805. [2022-07-20 01:47:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40805 states, 29467 states have (on average 1.3810703498829198) internal successors, (40696), 30508 states have internal predecessors, (40696), 9852 states have call successors, (9852), 1417 states have call predecessors, (9852), 1485 states have return successors, (10203), 9431 states have call predecessors, (10203), 9852 states have call successors, (10203) [2022-07-20 01:47:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40805 states to 40805 states and 60751 transitions. [2022-07-20 01:47:59,844 INFO L78 Accepts]: Start accepts. Automaton has 40805 states and 60751 transitions. Word has length 274 [2022-07-20 01:47:59,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:47:59,844 INFO L495 AbstractCegarLoop]: Abstraction has 40805 states and 60751 transitions. [2022-07-20 01:47:59,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:47:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 40805 states and 60751 transitions. [2022-07-20 01:47:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-20 01:47:59,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:47:59,904 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:47:59,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:47:59,904 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:47:59,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:47:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash 631679637, now seen corresponding path program 1 times [2022-07-20 01:47:59,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:47:59,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493969557] [2022-07-20 01:47:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:47:59,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:48:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:48:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:48:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:48:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:48:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:48:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:48:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:48:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:48:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:48:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:48:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:48:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:48:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:48:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:48:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:48:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:48:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:48:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:48:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 01:48:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 01:48:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 01:48:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:48:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:48:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:48:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 01:48:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 01:48:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:48:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:48:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 01:48:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:48:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2022-07-20 01:48:00,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:48:00,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493969557] [2022-07-20 01:48:00,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493969557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:00,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:00,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:48:00,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018221181] [2022-07-20 01:48:00,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:00,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:48:00,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:48:00,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:48:00,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:48:00,609 INFO L87 Difference]: Start difference. First operand 40805 states and 60751 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 01:48:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:20,042 INFO L93 Difference]: Finished difference Result 121625 states and 181969 transitions. [2022-07-20 01:48:20,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:48:20,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 324 [2022-07-20 01:48:20,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:20,566 INFO L225 Difference]: With dead ends: 121625 [2022-07-20 01:48:20,567 INFO L226 Difference]: Without dead ends: 80851 [2022-07-20 01:48:20,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:48:20,692 INFO L413 NwaCegarLoop]: 5332 mSDtfsCounter, 10497 mSDsluCounter, 7177 mSDsCounter, 0 mSdLazyCounter, 12131 mSolverCounterSat, 4689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11484 SdHoareTripleChecker+Valid, 12509 SdHoareTripleChecker+Invalid, 16820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4689 IncrementalHoareTripleChecker+Valid, 12131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:20,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11484 Valid, 12509 Invalid, 16820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4689 Valid, 12131 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-07-20 01:48:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80851 states. [2022-07-20 01:48:23,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80851 to 76241. [2022-07-20 01:48:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76241 states, 55098 states have (on average 1.3810301644342808) internal successors, (76092), 57064 states have internal predecessors, (76092), 18360 states have call successors, (18360), 2662 states have call predecessors, (18360), 2782 states have return successors, (18977), 17551 states have call predecessors, (18977), 18360 states have call successors, (18977) [2022-07-20 01:48:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76241 states to 76241 states and 113429 transitions. [2022-07-20 01:48:24,389 INFO L78 Accepts]: Start accepts. Automaton has 76241 states and 113429 transitions. Word has length 324 [2022-07-20 01:48:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:24,391 INFO L495 AbstractCegarLoop]: Abstraction has 76241 states and 113429 transitions. [2022-07-20 01:48:24,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 01:48:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 76241 states and 113429 transitions. [2022-07-20 01:48:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-20 01:48:24,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:24,445 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:24,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:48:24,446 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:24,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:24,446 INFO L85 PathProgramCache]: Analyzing trace with hash 376061081, now seen corresponding path program 1 times [2022-07-20 01:48:24,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:48:24,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256879129] [2022-07-20 01:48:24,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:24,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:48:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:48:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:48:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:48:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:48:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:48:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:48:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:48:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:48:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:48:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:48:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:48:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:48:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:48:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:48:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 01:48:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:48:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:48:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:48:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 01:48:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 01:48:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 01:48:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 01:48:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:48:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 01:48:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 01:48:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 01:48:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:48:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 01:48:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 01:48:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 01:48:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2022-07-20 01:48:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:48:25,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256879129] [2022-07-20 01:48:25,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256879129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:25,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:25,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:48:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239327967] [2022-07-20 01:48:25,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:25,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:48:25,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:48:25,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:48:25,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:48:25,210 INFO L87 Difference]: Start difference. First operand 76241 states and 113429 transitions. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 01:48:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:42,797 INFO L93 Difference]: Finished difference Result 232181 states and 347057 transitions. [2022-07-20 01:48:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:48:42,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 327 [2022-07-20 01:48:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:43,847 INFO L225 Difference]: With dead ends: 232181 [2022-07-20 01:48:43,848 INFO L226 Difference]: Without dead ends: 155971 [2022-07-20 01:48:44,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:48:44,216 INFO L413 NwaCegarLoop]: 5464 mSDtfsCounter, 13470 mSDsluCounter, 6363 mSDsCounter, 0 mSdLazyCounter, 8604 mSolverCounterSat, 9320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14452 SdHoareTripleChecker+Valid, 11827 SdHoareTripleChecker+Invalid, 17924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9320 IncrementalHoareTripleChecker+Valid, 8604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:44,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14452 Valid, 11827 Invalid, 17924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9320 Valid, 8604 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2022-07-20 01:48:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155971 states. [2022-07-20 01:48:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155971 to 146973. [2022-07-20 01:48:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146973 states, 106270 states have (on average 1.3807471534769926) internal successors, (146732), 110094 states have internal predecessors, (146732), 35336 states have call successors, (35336), 5147 states have call predecessors, (35336), 5366 states have return successors, (36455), 33738 states have call predecessors, (36455), 35336 states have call successors, (36455) [2022-07-20 01:48:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146973 states to 146973 states and 218523 transitions. [2022-07-20 01:48:51,391 INFO L78 Accepts]: Start accepts. Automaton has 146973 states and 218523 transitions. Word has length 327 [2022-07-20 01:48:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:51,392 INFO L495 AbstractCegarLoop]: Abstraction has 146973 states and 218523 transitions. [2022-07-20 01:48:51,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 01:48:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 146973 states and 218523 transitions. [2022-07-20 01:48:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-20 01:48:51,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:51,504 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:51,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:48:51,505 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:51,505 INFO L85 PathProgramCache]: Analyzing trace with hash -951065712, now seen corresponding path program 1 times [2022-07-20 01:48:51,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:48:51,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029282123] [2022-07-20 01:48:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:51,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:48:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:48:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:48:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:48:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:48:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:48:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:48:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:48:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:48:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:48:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:48:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:48:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:48:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:48:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:48:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 01:48:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 01:48:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:48:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 01:48:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 01:48:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:48:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:48:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 01:48:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:48:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 01:48:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 01:48:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:48:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 01:48:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 01:48:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:48:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 01:48:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-20 01:48:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-07-20 01:48:52,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:48:52,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029282123] [2022-07-20 01:48:52,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029282123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:52,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:52,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:48:52,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548913498] [2022-07-20 01:48:52,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:52,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:48:52,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:48:52,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:48:52,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:48:52,231 INFO L87 Difference]: Start difference. First operand 146973 states and 218523 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 01:49:11,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:11,007 INFO L93 Difference]: Finished difference Result 442797 states and 658527 transitions. [2022-07-20 01:49:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:49:11,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 319 [2022-07-20 01:49:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:13,771 INFO L225 Difference]: With dead ends: 442797 [2022-07-20 01:49:13,771 INFO L226 Difference]: Without dead ends: 295855 [2022-07-20 01:49:14,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:49:14,402 INFO L413 NwaCegarLoop]: 5660 mSDtfsCounter, 11219 mSDsluCounter, 6347 mSDsCounter, 0 mSdLazyCounter, 8011 mSolverCounterSat, 6738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12033 SdHoareTripleChecker+Valid, 12007 SdHoareTripleChecker+Invalid, 14749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6738 IncrementalHoareTripleChecker+Valid, 8011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:14,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12033 Valid, 12007 Invalid, 14749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6738 Valid, 8011 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 01:49:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295855 states.