./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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 c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:12:26,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:12:26,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:12:26,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:12:26,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:12:26,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:12:26,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:12:26,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:12:26,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:12:26,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:12:26,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:12:26,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:12:26,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:12:26,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:12:26,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:12:26,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:12:26,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:12:26,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:12:26,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:12:26,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:12:26,650 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:12:26,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:12:26,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:12:26,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:12:26,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:12:26,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:12:26,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:12:26,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:12:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:12:26,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:12:26,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:12:26,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:12:26,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:12:26,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:12:26,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:12:26,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:12:26,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:12:26,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:12:26,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:12:26,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:12:26,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:12:26,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:12:26,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:12:26,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:12:26,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:12:26,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:12:26,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:12:26,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:12:26,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:12:26,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:12:26,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:12:26,707 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:12:26,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:12:26,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:12:26,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:12:26,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:12:26,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:12:26,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:12:26,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:12:26,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:12:26,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:12:26,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:12:26,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:12:26,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:12:26,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:12:26,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:12:26,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:12:26,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:12:26,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:12:26,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:12:26,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:12:26,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:12:26,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:12:26,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2022-07-20 03:12:26,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:12:26,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:12:26,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:12:26,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:12:26,969 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:12:26,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 03:12:27,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaf85c6b/b35785ff71014b4ab56e15b056e3a0de/FLAG751e55207 [2022-07-20 03:12:27,753 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:12:27,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 03:12:27,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaf85c6b/b35785ff71014b4ab56e15b056e3a0de/FLAG751e55207 [2022-07-20 03:12:27,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaf85c6b/b35785ff71014b4ab56e15b056e3a0de [2022-07-20 03:12:27,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:12:27,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:12:27,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:12:27,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:12:27,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:12:27,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:12:27" (1/1) ... [2022-07-20 03:12:27,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2745560c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:27, skipping insertion in model container [2022-07-20 03:12:27,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:12:27" (1/1) ... [2022-07-20 03:12:27,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:12:28,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:12:30,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2022-07-20 03:12:30,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2022-07-20 03:12:30,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:12:31,012 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:12:31,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2022-07-20 03:12:31,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2022-07-20 03:12:31,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:12:31,551 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:12:31,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31 WrapperNode [2022-07-20 03:12:31,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:12:31,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:12:31,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:12:31,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:12:31,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:31,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:31,866 INFO L137 Inliner]: procedures = 444, calls = 2166, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 5248 [2022-07-20 03:12:31,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:12:31,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:12:31,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:12:31,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:12:31,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:31,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:31,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:31,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:32,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:32,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:32,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:32,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:12:32,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:12:32,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:12:32,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:12:32,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (1/1) ... [2022-07-20 03:12:32,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:12:32,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:12:32,265 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 03:12:32,291 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 03:12:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 03:12:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-07-20 03:12:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-07-20 03:12:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-20 03:12:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-20 03:12:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:12:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:12:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:12:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:12:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-07-20 03:12:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-07-20 03:12:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-07-20 03:12:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-07-20 03:12:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-07-20 03:12:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-07-20 03:12:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:12:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:12:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-07-20 03:12:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-07-20 03:12:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:12:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:12:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:12:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:12:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-07-20 03:12:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-07-20 03:12:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-07-20 03:12:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-07-20 03:12:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:12:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:12:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-07-20 03:12:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-07-20 03:12:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-20 03:12:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-20 03:12:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-07-20 03:12:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-07-20 03:12:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-07-20 03:12:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-07-20 03:12:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-20 03:12:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-20 03:12:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:12:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:12:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:12:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:12:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:12:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:12:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-07-20 03:12:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-07-20 03:12:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:12:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:12:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:12:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:12:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:12:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 03:12:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 03:12:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-20 03:12:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-20 03:12:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:12:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:12:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:12:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:12:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:12:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:12:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:12:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:12:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:12:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:12:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:12:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 03:12:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 03:12:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:12:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:12:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:12:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:12:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:12:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:12:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:12:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:12:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-07-20 03:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-07-20 03:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-07-20 03:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-07-20 03:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-07-20 03:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-07-20 03:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-07-20 03:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-07-20 03:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 03:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 03:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 03:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 03:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-07-20 03:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-07-20 03:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-07-20 03:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-07-20 03:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 03:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 03:12:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-07-20 03:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-07-20 03:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 03:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 03:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-07-20 03:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-07-20 03:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-20 03:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-20 03:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 03:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 03:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 03:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-07-20 03:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-07-20 03:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-07-20 03:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-07-20 03:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-07-20 03:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-07-20 03:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-07-20 03:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-07-20 03:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-07-20 03:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 03:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 03:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-20 03:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-20 03:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 03:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 03:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-20 03:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-20 03:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-20 03:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-20 03:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-07-20 03:12:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-07-20 03:12:33,380 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:12:33,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:12:33,819 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:12:38,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:12:38,530 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:12:38,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:12:38,558 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 03:12:38,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:12:38 BoogieIcfgContainer [2022-07-20 03:12:38,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:12:38,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:12:38,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:12:38,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:12:38,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:12:27" (1/3) ... [2022-07-20 03:12:38,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47619918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:12:38, skipping insertion in model container [2022-07-20 03:12:38,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:12:31" (2/3) ... [2022-07-20 03:12:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47619918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:12:38, skipping insertion in model container [2022-07-20 03:12:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:12:38" (3/3) ... [2022-07-20 03:12:38,574 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-20 03:12:38,588 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:12:38,589 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:12:38,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:12:38,688 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@3153910c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@400ce6bb [2022-07-20 03:12:38,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:12:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 2121 states, 1465 states have (on average 1.3542662116040955) internal successors, (1984), 1503 states have internal predecessors, (1984), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) [2022-07-20 03:12:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 03:12:38,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:12:38,740 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:38,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:12:38,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:12:38,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1869881144, now seen corresponding path program 1 times [2022-07-20 03:12:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:12:38,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632639757] [2022-07-20 03:12:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:12:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:12:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:12:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:12:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:12:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:12:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:12:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:12:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:12:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:12:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:12:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:12:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:12:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:12:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 03:12:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-20 03:12:39,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:12:39,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632639757] [2022-07-20 03:12:39,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632639757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:12:39,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:12:39,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:12:39,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519871873] [2022-07-20 03:12:39,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:12:39,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:12:39,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:12:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:12:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:12:39,690 INFO L87 Difference]: Start difference. First operand has 2121 states, 1465 states have (on average 1.3542662116040955) internal successors, (1984), 1503 states have internal predecessors, (1984), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 03:12:44,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:12:44,078 INFO L93 Difference]: Finished difference Result 4340 states and 6492 transitions. [2022-07-20 03:12:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:12:44,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 156 [2022-07-20 03:12:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:12:44,114 INFO L225 Difference]: With dead ends: 4340 [2022-07-20 03:12:44,114 INFO L226 Difference]: Without dead ends: 2193 [2022-07-20 03:12:44,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 03:12:44,138 INFO L413 NwaCegarLoop]: 2694 mSDtfsCounter, 1410 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 1535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1535 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:12:44,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 4715 Invalid, 3187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1535 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 03:12:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2022-07-20 03:12:44,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2070. [2022-07-20 03:12:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1444 states have (on average 1.3019390581717452) internal successors, (1880), 1481 states have internal predecessors, (1880), 537 states have call successors, (537), 88 states have call predecessors, (537), 88 states have return successors, (537), 523 states have call predecessors, (537), 537 states have call successors, (537) [2022-07-20 03:12:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2954 transitions. [2022-07-20 03:12:44,322 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2954 transitions. Word has length 156 [2022-07-20 03:12:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:12:44,323 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 2954 transitions. [2022-07-20 03:12:44,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 03:12:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2954 transitions. [2022-07-20 03:12:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-20 03:12:44,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:12:44,336 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2022-07-20 03:12:44,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:12:44,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:12:44,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:12:44,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1014862945, now seen corresponding path program 1 times [2022-07-20 03:12:44,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:12:44,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607594072] [2022-07-20 03:12:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:12:44,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:12:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:12:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:12:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:12:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:12:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:12:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:12:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:12:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:12:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:12:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:12:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:12:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:12:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 03:12:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 03:12:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:12:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:12:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 03:12:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 03:12:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 03:12:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-07-20 03:12:44,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:12:44,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607594072] [2022-07-20 03:12:44,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607594072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:12:44,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:12:44,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:12:44,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427096171] [2022-07-20 03:12:44,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:12:44,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:12:44,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:12:44,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:12:44,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:12:44,786 INFO L87 Difference]: Start difference. First operand 2070 states and 2954 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-20 03:12:51,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:12:51,666 INFO L93 Difference]: Finished difference Result 5977 states and 8553 transitions. [2022-07-20 03:12:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:12:51,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 170 [2022-07-20 03:12:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:12:51,702 INFO L225 Difference]: With dead ends: 5977 [2022-07-20 03:12:51,703 INFO L226 Difference]: Without dead ends: 3928 [2022-07-20 03:12:51,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 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 03:12:51,718 INFO L413 NwaCegarLoop]: 3202 mSDtfsCounter, 4557 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 3283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4840 SdHoareTripleChecker+Valid, 6581 SdHoareTripleChecker+Invalid, 6955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3283 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:12:51,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4840 Valid, 6581 Invalid, 6955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3283 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 03:12:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2022-07-20 03:12:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3905. [2022-07-20 03:12:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3905 states, 2707 states have (on average 1.2988548208348725) internal successors, (3516), 2784 states have internal predecessors, (3516), 1020 states have call successors, (1020), 175 states have call predecessors, (1020), 177 states have return successors, (1039), 989 states have call predecessors, (1039), 1020 states have call successors, (1039) [2022-07-20 03:12:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3905 states and 5575 transitions. [2022-07-20 03:12:51,919 INFO L78 Accepts]: Start accepts. Automaton has 3905 states and 5575 transitions. Word has length 170 [2022-07-20 03:12:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:12:51,919 INFO L495 AbstractCegarLoop]: Abstraction has 3905 states and 5575 transitions. [2022-07-20 03:12:51,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-20 03:12:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3905 states and 5575 transitions. [2022-07-20 03:12:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-20 03:12:51,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:12:51,932 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:51,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:12:51,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:12:51,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:12:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2122695396, now seen corresponding path program 1 times [2022-07-20 03:12:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:12:51,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809467501] [2022-07-20 03:12:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:12:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:12:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:12:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:12:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:12:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:12:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:12:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:12:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:12:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:12:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:12:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 03:12:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:12:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:12:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 03:12:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-20 03:12:52,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:12:52,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809467501] [2022-07-20 03:12:52,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809467501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:12:52,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:12:52,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:12:52,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307348264] [2022-07-20 03:12:52,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:12:52,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:12:52,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:12:52,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:12:52,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:12:52,310 INFO L87 Difference]: Start difference. First operand 3905 states and 5575 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-20 03:13:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:00,390 INFO L93 Difference]: Finished difference Result 10982 states and 15737 transitions. [2022-07-20 03:13:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:13:00,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 157 [2022-07-20 03:13:00,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:00,466 INFO L225 Difference]: With dead ends: 10982 [2022-07-20 03:13:00,466 INFO L226 Difference]: Without dead ends: 7098 [2022-07-20 03:13:00,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 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 03:13:00,505 INFO L413 NwaCegarLoop]: 2912 mSDtfsCounter, 3909 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 3909 mSolverCounterSat, 3041 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4234 SdHoareTripleChecker+Valid, 6397 SdHoareTripleChecker+Invalid, 6950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3041 IncrementalHoareTripleChecker+Valid, 3909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:00,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4234 Valid, 6397 Invalid, 6950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3041 Valid, 3909 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-20 03:13:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2022-07-20 03:13:00,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 6732. [2022-07-20 03:13:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6732 states, 4639 states have (on average 1.2957533951282605) internal successors, (6011), 4772 states have internal predecessors, (6011), 1784 states have call successors, (1784), 306 states have call predecessors, (1784), 308 states have return successors, (1803), 1733 states have call predecessors, (1803), 1784 states have call successors, (1803) [2022-07-20 03:13:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6732 states to 6732 states and 9598 transitions. [2022-07-20 03:13:01,071 INFO L78 Accepts]: Start accepts. Automaton has 6732 states and 9598 transitions. Word has length 157 [2022-07-20 03:13:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:01,074 INFO L495 AbstractCegarLoop]: Abstraction has 6732 states and 9598 transitions. [2022-07-20 03:13:01,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-20 03:13:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6732 states and 9598 transitions. [2022-07-20 03:13:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 03:13:01,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:01,086 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2022-07-20 03:13:01,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:13:01,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1657157910, now seen corresponding path program 1 times [2022-07-20 03:13:01,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:13:01,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119844425] [2022-07-20 03:13:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:13:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:13:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:13:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:13:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:13:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:13:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:13:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:13:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:13:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:13:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 03:13:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:13:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:13:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:13:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 03:13:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 03:13:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 03:13:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:13:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 03:13:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:13:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 03:13:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:13:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 03:13:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 03:13:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-07-20 03:13:01,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:13:01,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119844425] [2022-07-20 03:13:01,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119844425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:01,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:01,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:13:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493077936] [2022-07-20 03:13:01,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:01,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:13:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:13:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:13:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:13:01,580 INFO L87 Difference]: Start difference. First operand 6732 states and 9598 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-20 03:13:14,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:14,995 INFO L93 Difference]: Finished difference Result 20120 states and 29111 transitions. [2022-07-20 03:13:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-20 03:13:14,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 223 [2022-07-20 03:13:14,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:15,107 INFO L225 Difference]: With dead ends: 20120 [2022-07-20 03:13:15,107 INFO L226 Difference]: Without dead ends: 13409 [2022-07-20 03:13:15,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=303, Invalid=957, Unknown=0, NotChecked=0, Total=1260 [2022-07-20 03:13:15,163 INFO L413 NwaCegarLoop]: 2806 mSDtfsCounter, 9144 mSDsluCounter, 6176 mSDsCounter, 0 mSdLazyCounter, 6775 mSolverCounterSat, 8966 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9348 SdHoareTripleChecker+Valid, 8982 SdHoareTripleChecker+Invalid, 15741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8966 IncrementalHoareTripleChecker+Valid, 6775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:15,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9348 Valid, 8982 Invalid, 15741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8966 Valid, 6775 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-07-20 03:13:15,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13409 states. [2022-07-20 03:13:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13409 to 11644. [2022-07-20 03:13:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11644 states, 8090 states have (on average 1.2911001236093944) internal successors, (10445), 8320 states have internal predecessors, (10445), 2988 states have call successors, (2988), 568 states have call predecessors, (2988), 565 states have return successors, (3103), 2880 states have call predecessors, (3103), 2988 states have call successors, (3103) [2022-07-20 03:13:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11644 states to 11644 states and 16536 transitions. [2022-07-20 03:13:16,038 INFO L78 Accepts]: Start accepts. Automaton has 11644 states and 16536 transitions. Word has length 223 [2022-07-20 03:13:16,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:16,039 INFO L495 AbstractCegarLoop]: Abstraction has 11644 states and 16536 transitions. [2022-07-20 03:13:16,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-20 03:13:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 11644 states and 16536 transitions. [2022-07-20 03:13:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-20 03:13:16,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:16,053 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:16,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:13:16,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:16,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:16,054 INFO L85 PathProgramCache]: Analyzing trace with hash 674353782, now seen corresponding path program 1 times [2022-07-20 03:13:16,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:13:16,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259647909] [2022-07-20 03:13:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:13:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:13:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:13:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:13:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:13:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:13:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:13:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:13:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:13:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:13:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 03:13:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 03:13:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 03:13:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 03:13:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 03:13:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:13:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:13:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 03:13:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:13:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:13:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:13:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:13:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:13:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:13:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-07-20 03:13:16,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:13:16,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259647909] [2022-07-20 03:13:16,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259647909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:16,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:16,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:13:16,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111456169] [2022-07-20 03:13:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:16,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:13:16,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:13:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:13:16,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:13:16,493 INFO L87 Difference]: Start difference. First operand 11644 states and 16536 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 03:13:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:27,640 INFO L93 Difference]: Finished difference Result 33320 states and 47529 transitions. [2022-07-20 03:13:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-20 03:13:27,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 226 [2022-07-20 03:13:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:27,794 INFO L225 Difference]: With dead ends: 33320 [2022-07-20 03:13:27,794 INFO L226 Difference]: Without dead ends: 21697 [2022-07-20 03:13:27,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2022-07-20 03:13:27,857 INFO L413 NwaCegarLoop]: 2838 mSDtfsCounter, 7204 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 6024 mSolverCounterSat, 6645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7468 SdHoareTripleChecker+Valid, 7846 SdHoareTripleChecker+Invalid, 12669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6645 IncrementalHoareTripleChecker+Valid, 6024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:27,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7468 Valid, 7846 Invalid, 12669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6645 Valid, 6024 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-07-20 03:13:27,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21697 states. [2022-07-20 03:13:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21697 to 20493. [2022-07-20 03:13:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20493 states, 14195 states have (on average 1.2947516731243396) internal successors, (18379), 14615 states have internal predecessors, (18379), 5252 states have call successors, (5252), 1056 states have call predecessors, (5252), 1045 states have return successors, (5423), 5041 states have call predecessors, (5423), 5252 states have call successors, (5423) [2022-07-20 03:13:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20493 states to 20493 states and 29054 transitions. [2022-07-20 03:13:29,185 INFO L78 Accepts]: Start accepts. Automaton has 20493 states and 29054 transitions. Word has length 226 [2022-07-20 03:13:29,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:29,186 INFO L495 AbstractCegarLoop]: Abstraction has 20493 states and 29054 transitions. [2022-07-20 03:13:29,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-20 03:13:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20493 states and 29054 transitions. [2022-07-20 03:13:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 03:13:29,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:29,194 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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] [2022-07-20 03:13:29,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:13:29,195 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:29,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash -673154669, now seen corresponding path program 1 times [2022-07-20 03:13:29,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:13:29,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488652280] [2022-07-20 03:13:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:29,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:13:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:13:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:13:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:13:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:13:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:13:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:13:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:13:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:13:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:13:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:13:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:13:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:13:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:13:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 03:13:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:13:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:13:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:13:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:13:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 03:13:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:13:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2022-07-20 03:13:29,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:13:29,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488652280] [2022-07-20 03:13:29,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488652280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:29,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:29,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:13:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008177607] [2022-07-20 03:13:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:29,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:13:29,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:13:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:13:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:13:29,542 INFO L87 Difference]: Start difference. First operand 20493 states and 29054 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:13:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:37,177 INFO L93 Difference]: Finished difference Result 50122 states and 71243 transitions. [2022-07-20 03:13:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:13:37,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 224 [2022-07-20 03:13:37,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:37,496 INFO L225 Difference]: With dead ends: 50122 [2022-07-20 03:13:37,497 INFO L226 Difference]: Without dead ends: 29650 [2022-07-20 03:13:37,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 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 03:13:37,609 INFO L413 NwaCegarLoop]: 4564 mSDtfsCounter, 2937 mSDsluCounter, 4789 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 2207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 6598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2207 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:37,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 9353 Invalid, 6598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2207 Valid, 4391 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 03:13:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29650 states. [2022-07-20 03:13:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29650 to 28193. [2022-07-20 03:13:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28193 states, 19498 states have (on average 1.2909016309365062) internal successors, (25170), 20062 states have internal predecessors, (25170), 7239 states have call successors, (7239), 1474 states have call predecessors, (7239), 1455 states have return successors, (7410), 6962 states have call predecessors, (7410), 7239 states have call successors, (7410) [2022-07-20 03:13:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28193 states to 28193 states and 39819 transitions. [2022-07-20 03:13:39,182 INFO L78 Accepts]: Start accepts. Automaton has 28193 states and 39819 transitions. Word has length 224 [2022-07-20 03:13:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:39,183 INFO L495 AbstractCegarLoop]: Abstraction has 28193 states and 39819 transitions. [2022-07-20 03:13:39,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:13:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 28193 states and 39819 transitions. [2022-07-20 03:13:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-20 03:13:39,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:39,191 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-07-20 03:13:39,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:13:39,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:39,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash 12287881, now seen corresponding path program 1 times [2022-07-20 03:13:39,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:13:39,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027184103] [2022-07-20 03:13:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:13:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:13:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:13:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:13:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:13:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:13:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:13:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:13:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:13:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:13:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:13:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 03:13:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 03:13:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 03:13:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:13:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:13:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:13:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 03:13:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:13:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:13:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 03:13:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 03:13:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:13:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 03:13:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 03:13:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-07-20 03:13:39,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:13:39,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027184103] [2022-07-20 03:13:39,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027184103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:13:39,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:13:39,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:13:39,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69990502] [2022-07-20 03:13:39,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:13:39,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:13:39,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:13:39,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:13:39,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:13:39,554 INFO L87 Difference]: Start difference. First operand 28193 states and 39819 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:13:55,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:13:55,515 INFO L93 Difference]: Finished difference Result 94721 states and 136833 transitions. [2022-07-20 03:13:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-07-20 03:13:55,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 246 [2022-07-20 03:13:55,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:13:55,939 INFO L225 Difference]: With dead ends: 94721 [2022-07-20 03:13:55,939 INFO L226 Difference]: Without dead ends: 66549 [2022-07-20 03:13:56,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=389, Invalid=1333, Unknown=0, NotChecked=0, Total=1722 [2022-07-20 03:13:56,082 INFO L413 NwaCegarLoop]: 3683 mSDtfsCounter, 8364 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 8893 mSolverCounterSat, 9149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8684 SdHoareTripleChecker+Valid, 10198 SdHoareTripleChecker+Invalid, 18042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9149 IncrementalHoareTripleChecker+Valid, 8893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:13:56,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8684 Valid, 10198 Invalid, 18042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9149 Valid, 8893 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-07-20 03:13:56,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66549 states. [2022-07-20 03:13:58,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66549 to 56659. [2022-07-20 03:13:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56659 states, 39102 states have (on average 1.2909314101580482) internal successors, (50478), 40282 states have internal predecessors, (50478), 14632 states have call successors, (14632), 2948 states have call predecessors, (14632), 2924 states have return successors, (15084), 14048 states have call predecessors, (15084), 14632 states have call successors, (15084) [2022-07-20 03:13:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56659 states to 56659 states and 80194 transitions. [2022-07-20 03:13:59,695 INFO L78 Accepts]: Start accepts. Automaton has 56659 states and 80194 transitions. Word has length 246 [2022-07-20 03:13:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:13:59,696 INFO L495 AbstractCegarLoop]: Abstraction has 56659 states and 80194 transitions. [2022-07-20 03:13:59,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:13:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 56659 states and 80194 transitions. [2022-07-20 03:13:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-20 03:13:59,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:13:59,709 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 03:13:59,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:13:59,709 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:13:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:13:59,710 INFO L85 PathProgramCache]: Analyzing trace with hash -740186432, now seen corresponding path program 1 times [2022-07-20 03:13:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:13:59,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310838673] [2022-07-20 03:13:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:13:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:13:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:13:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:13:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:13:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:13:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:13:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:13:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:13:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:13:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:13:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:13:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 03:13:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:13:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:13:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 03:13:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:13:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:13:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:14:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:14:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:14:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:14:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 03:14:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:14:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 03:14:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 03:14:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 03:14:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:14:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:14:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:14:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 03:14:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-07-20 03:14:00,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:14:00,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310838673] [2022-07-20 03:14:00,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310838673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:00,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:00,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:14:00,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693506553] [2022-07-20 03:14:00,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:00,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:14:00,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:14:00,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:14:00,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:14:00,248 INFO L87 Difference]: Start difference. First operand 56659 states and 80194 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-20 03:14:10,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:10,399 INFO L93 Difference]: Finished difference Result 123609 states and 177473 transitions. [2022-07-20 03:14:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-20 03:14:10,403 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-20 03:14:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:10,933 INFO L225 Difference]: With dead ends: 123609 [2022-07-20 03:14:10,934 INFO L226 Difference]: Without dead ends: 66971 [2022-07-20 03:14:11,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2022-07-20 03:14:11,114 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 4537 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 5663 mSolverCounterSat, 5019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 10682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5019 IncrementalHoareTripleChecker+Valid, 5663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:11,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 8547 Invalid, 10682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5019 Valid, 5663 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-20 03:14:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66971 states. [2022-07-20 03:14:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66971 to 57131. [2022-07-20 03:14:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57131 states, 39445 states have (on average 1.288528330586893) internal successors, (50826), 40625 states have internal predecessors, (50826), 14649 states have call successors, (14649), 3060 states have call predecessors, (14649), 3036 states have return successors, (15101), 14065 states have call predecessors, (15101), 14649 states have call successors, (15101) [2022-07-20 03:14:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57131 states to 57131 states and 80576 transitions. [2022-07-20 03:14:14,004 INFO L78 Accepts]: Start accepts. Automaton has 57131 states and 80576 transitions. Word has length 266 [2022-07-20 03:14:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:14,005 INFO L495 AbstractCegarLoop]: Abstraction has 57131 states and 80576 transitions. [2022-07-20 03:14:14,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-20 03:14:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 57131 states and 80576 transitions. [2022-07-20 03:14:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-20 03:14:14,024 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:14,024 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:14:14,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:14:14,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:14,025 INFO L85 PathProgramCache]: Analyzing trace with hash -834477225, now seen corresponding path program 1 times [2022-07-20 03:14:14,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:14:14,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748859231] [2022-07-20 03:14:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:14,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:14:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:14:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:14:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:14:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:14:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:14:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:14:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:14:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:14:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:14:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:14:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:14:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:14:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:14:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 03:14:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:14:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:14:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:14:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:14:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:14:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:14:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:14:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:14:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:14:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 03:14:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-20 03:14:14,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:14:14,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748859231] [2022-07-20 03:14:14,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748859231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:14,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:14,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:14:14,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839236013] [2022-07-20 03:14:14,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:14,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:14:14,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:14:14,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:14:14,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:14:14,363 INFO L87 Difference]: Start difference. First operand 57131 states and 80576 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 03:14:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:23,527 INFO L93 Difference]: Finished difference Result 133443 states and 188768 transitions. [2022-07-20 03:14:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:14:23,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 298 [2022-07-20 03:14:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:23,933 INFO L225 Difference]: With dead ends: 133443 [2022-07-20 03:14:23,933 INFO L226 Difference]: Without dead ends: 76389 [2022-07-20 03:14:24,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 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 03:14:24,141 INFO L413 NwaCegarLoop]: 4566 mSDtfsCounter, 2935 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 2195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 9364 SdHoareTripleChecker+Invalid, 6571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2195 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:24,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 9364 Invalid, 6571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2195 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 03:14:24,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76389 states. [2022-07-20 03:14:27,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76389 to 72427. [2022-07-20 03:14:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72427 states, 49975 states have (on average 1.2868034017008505) internal successors, (64308), 51455 states have internal predecessors, (64308), 18567 states have call successors, (18567), 3924 states have call predecessors, (18567), 3884 states have return successors, (19019), 17839 states have call predecessors, (19019), 18567 states have call successors, (19019) [2022-07-20 03:14:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72427 states to 72427 states and 101894 transitions. [2022-07-20 03:14:27,858 INFO L78 Accepts]: Start accepts. Automaton has 72427 states and 101894 transitions. Word has length 298 [2022-07-20 03:14:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:27,860 INFO L495 AbstractCegarLoop]: Abstraction has 72427 states and 101894 transitions. [2022-07-20 03:14:27,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 03:14:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 72427 states and 101894 transitions. [2022-07-20 03:14:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-20 03:14:27,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:27,878 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:14:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:14:27,878 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1566444651, now seen corresponding path program 1 times [2022-07-20 03:14:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:14:27,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072182714] [2022-07-20 03:14:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:14:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:14:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:14:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:14:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:14:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:14:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:14:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:14:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:14:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:14:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:14:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:14:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:14:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:14:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 03:14:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:14:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:14:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:14:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:14:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:14:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:14:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:14:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:14:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:14:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 03:14:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-07-20 03:14:28,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:14:28,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072182714] [2022-07-20 03:14:28,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072182714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:28,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:28,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:14:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526310486] [2022-07-20 03:14:28,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:28,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:14:28,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:14:28,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:14:28,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:14:28,329 INFO L87 Difference]: Start difference. First operand 72427 states and 101894 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 03:14:38,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:38,672 INFO L93 Difference]: Finished difference Result 174861 states and 248917 transitions. [2022-07-20 03:14:38,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:14:38,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 298 [2022-07-20 03:14:38,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:39,436 INFO L225 Difference]: With dead ends: 174861 [2022-07-20 03:14:39,436 INFO L226 Difference]: Without dead ends: 102511 [2022-07-20 03:14:39,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:14:39,698 INFO L413 NwaCegarLoop]: 3471 mSDtfsCounter, 2330 mSDsluCounter, 8838 mSDsCounter, 0 mSdLazyCounter, 6984 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 12309 SdHoareTripleChecker+Invalid, 8635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 6984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:39,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 12309 Invalid, 8635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1651 Valid, 6984 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-20 03:14:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102511 states. [2022-07-20 03:14:43,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102511 to 72491. [2022-07-20 03:14:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72491 states, 50023 states have (on average 1.2865281970293665) internal successors, (64356), 51503 states have internal predecessors, (64356), 18567 states have call successors, (18567), 3924 states have call predecessors, (18567), 3900 states have return successors, (19051), 17855 states have call predecessors, (19051), 18567 states have call successors, (19051) [2022-07-20 03:14:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72491 states to 72491 states and 101974 transitions. [2022-07-20 03:14:43,916 INFO L78 Accepts]: Start accepts. Automaton has 72491 states and 101974 transitions. Word has length 298 [2022-07-20 03:14:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:43,916 INFO L495 AbstractCegarLoop]: Abstraction has 72491 states and 101974 transitions. [2022-07-20 03:14:43,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 03:14:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 72491 states and 101974 transitions. [2022-07-20 03:14:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-20 03:14:43,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:43,932 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:14:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 03:14:43,933 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:43,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1202385451, now seen corresponding path program 1 times [2022-07-20 03:14:43,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:14:43,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951152466] [2022-07-20 03:14:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:14:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:14:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:14:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:14:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:14:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:14:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:14:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:14:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:14:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:14:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:14:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:14:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:14:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:14:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 03:14:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:14:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:14:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:14:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:14:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:14:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:14:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:14:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:14:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:14:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 03:14:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-07-20 03:14:44,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:14:44,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951152466] [2022-07-20 03:14:44,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951152466] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:44,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:44,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:14:44,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510677335] [2022-07-20 03:14:44,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:44,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:14:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:14:44,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:14:44,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:14:44,414 INFO L87 Difference]: Start difference. First operand 72491 states and 101974 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 03:14:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:52,271 INFO L93 Difference]: Finished difference Result 147809 states and 208841 transitions. [2022-07-20 03:14:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:14:52,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 298 [2022-07-20 03:14:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:52,982 INFO L225 Difference]: With dead ends: 147809 [2022-07-20 03:14:52,982 INFO L226 Difference]: Without dead ends: 75395 [2022-07-20 03:14:53,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:14:53,332 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 3497 mSDsluCounter, 3188 mSDsCounter, 0 mSdLazyCounter, 3477 mSolverCounterSat, 2081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3794 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 5558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2081 IncrementalHoareTripleChecker+Valid, 3477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:53,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3794 Valid, 5849 Invalid, 5558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2081 Valid, 3477 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 03:14:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75395 states. [2022-07-20 03:14:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75395 to 72491. [2022-07-20 03:14:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72491 states, 50023 states have (on average 1.2854886752094037) internal successors, (64304), 51503 states have internal predecessors, (64304), 18567 states have call successors, (18567), 3924 states have call predecessors, (18567), 3900 states have return successors, (19051), 17855 states have call predecessors, (19051), 18567 states have call successors, (19051) [2022-07-20 03:14:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72491 states to 72491 states and 101922 transitions. [2022-07-20 03:14:56,987 INFO L78 Accepts]: Start accepts. Automaton has 72491 states and 101922 transitions. Word has length 298 [2022-07-20 03:14:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:56,988 INFO L495 AbstractCegarLoop]: Abstraction has 72491 states and 101922 transitions. [2022-07-20 03:14:56,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 03:14:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 72491 states and 101922 transitions. [2022-07-20 03:14:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-20 03:14:57,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:57,001 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 03:14:57,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 03:14:57,001 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1828748936, now seen corresponding path program 1 times [2022-07-20 03:14:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:14:57,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483148035] [2022-07-20 03:14:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:14:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:14:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:14:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:14:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:14:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:14:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:14:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:14:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:14:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:14:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 03:14:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 03:14:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 03:14:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:14:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 03:14:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:14:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:14:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:14:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:14:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:14:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:14:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:14:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:14:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:14:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:14:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:14:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:14:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 03:14:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-07-20 03:14:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:14:57,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483148035] [2022-07-20 03:14:57,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483148035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:57,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:57,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:14:57,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700403491] [2022-07-20 03:14:57,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:57,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:14:57,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:14:57,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:14:57,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:14:57,789 INFO L87 Difference]: Start difference. First operand 72491 states and 101922 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27)