./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-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-dec-tulip-uli526x.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 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:35:58,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:35:58,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:35:58,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:35:58,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:35:58,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:35:58,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:35:58,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:35:58,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:35:58,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:35:58,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:35:58,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:35:59,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:35:59,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:35:59,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:35:59,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:35:59,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:35:59,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:35:59,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:35:59,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:35:59,018 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:35:59,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:35:59,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:35:59,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:35:59,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:35:59,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:35:59,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:35:59,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:35:59,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:35:59,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:35:59,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:35:59,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:35:59,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:35:59,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:35:59,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:35:59,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:35:59,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:35:59,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:35:59,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:35:59,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:35:59,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:35:59,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:35:59,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:35:59,080 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:35:59,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:35:59,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:35:59,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:35:59,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:35:59,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:35:59,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:35:59,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:35:59,083 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:35:59,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:35:59,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:35:59,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:35:59,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:35:59,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:35:59,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:35:59,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:35:59,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:35:59,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:35:59,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:35:59,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:35:59,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:35:59,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:35:59,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:35:59,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:35:59,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:35:59,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:35:59,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:35:59,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:35:59,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:35:59,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:35:59,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2022-07-21 14:35:59,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:35:59,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:35:59,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:35:59,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:35:59,432 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:35:59,433 INFO L432 ainManager$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-dec-tulip-uli526x.cil.i [2022-07-21 14:35:59,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74d52aa5/de609d290be84f13adf6d0f8d8283ed7/FLAG2b6bc7fec [2022-07-21 14:36:00,335 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:36:00,336 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-dec-tulip-uli526x.cil.i [2022-07-21 14:36:00,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74d52aa5/de609d290be84f13adf6d0f8d8283ed7/FLAG2b6bc7fec [2022-07-21 14:36:00,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74d52aa5/de609d290be84f13adf6d0f8d8283ed7 [2022-07-21 14:36:00,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:36:00,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:36:00,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:36:00,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:36:00,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:36:00,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:36:00" (1/1) ... [2022-07-21 14:36:00,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641bb4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:00, skipping insertion in model container [2022-07-21 14:36:00,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:36:00" (1/1) ... [2022-07-21 14:36:00,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:36:00,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:36:03,691 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-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-21 14:36:03,695 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-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-21 14:36:03,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:36:03,785 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:36:04,199 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-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-21 14:36:04,200 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-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-21 14:36:04,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:36:04,394 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:36:04,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04 WrapperNode [2022-07-21 14:36:04,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:36:04,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:36:04,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:36:04,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:36:04,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,698 INFO L137 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4205 [2022-07-21 14:36:04,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:36:04,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:36:04,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:36:04,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:36:04,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:36:04,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:36:04,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:36:04,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:36:04,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (1/1) ... [2022-07-21 14:36:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:36:05,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:36:05,049 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) [2022-07-21 14:36:05,065 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 [2022-07-21 14:36:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-21 14:36:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-21 14:36:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:36:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:36:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:36:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:36:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 14:36:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 14:36:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:36:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:36:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:36:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:36:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:36:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:36:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 14:36:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 14:36:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:36:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:36:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-21 14:36:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-21 14:36:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-07-21 14:36:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-07-21 14:36:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:36:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:36:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:36:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:36:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:36:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:36:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 14:36:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 14:36:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:36:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:36:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:36:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:36:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 14:36:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 14:36:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:36:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-07-21 14:36:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-07-21 14:36:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:36:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:36:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:36:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:36:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:36:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:36:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:36:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:36:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-07-21 14:36:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-07-21 14:36:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-07-21 14:36:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-07-21 14:36:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:36:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-21 14:36:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-21 14:36:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:36:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:36:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:36:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:36:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:36:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:36:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:36:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:36:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:36:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:36:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:36:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:36:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:36:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:36:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:36:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:36:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-07-21 14:36:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-07-21 14:36:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-07-21 14:36:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-07-21 14:36:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:36:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:36:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:36:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:36:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:36:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:36:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-21 14:36:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-21 14:36:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:36:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:36:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:36:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:36:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:36:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:36:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:36:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:36:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:36:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:36:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:36:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:36:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:36:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:36:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:36:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:36:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:36:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:36:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:36:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-21 14:36:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-21 14:36:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:36:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:36:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-07-21 14:36:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-07-21 14:36:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-07-21 14:36:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-07-21 14:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:36:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:36:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:36:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:36:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-21 14:36:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-21 14:36:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:36:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:36:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:36:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:36:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 14:36:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 14:36:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:36:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:36:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 14:36:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 14:36:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-21 14:36:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-21 14:36:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-21 14:36:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-21 14:36:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:36:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:36:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:36:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:36:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:36:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:36:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 14:36:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 14:36:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:36:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:36:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:36:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:36:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:36:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-07-21 14:36:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-07-21 14:36:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:36:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:36:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-07-21 14:36:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-07-21 14:36:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-21 14:36:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-21 14:36:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-07-21 14:36:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-07-21 14:36:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-21 14:36:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-21 14:36:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:36:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:36:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:36:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-21 14:36:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-21 14:36:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-07-21 14:36:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-07-21 14:36:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:36:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:36:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 14:36:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 14:36:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:36:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:36:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-07-21 14:36:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-07-21 14:36:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:36:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:36:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:36:05,774 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:36:05,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:36:06,198 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:36:08,422 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:36:08,619 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:36:08,656 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:36:08,657 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:36:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:36:08 BoogieIcfgContainer [2022-07-21 14:36:08,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:36:08,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:36:08,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:36:08,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:36:08,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:36:00" (1/3) ... [2022-07-21 14:36:08,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536cc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:36:08, skipping insertion in model container [2022-07-21 14:36:08,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:36:04" (2/3) ... [2022-07-21 14:36:08,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536cc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:36:08, skipping insertion in model container [2022-07-21 14:36:08,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:36:08" (3/3) ... [2022-07-21 14:36:08,668 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-21 14:36:08,681 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:36:08,681 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:36:08,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:36:08,759 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@fe73b6b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c429fef [2022-07-21 14:36:08,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:36:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2022-07-21 14:36:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-21 14:36:08,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:08,805 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-21 14:36:08,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:08,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash 298145663, now seen corresponding path program 1 times [2022-07-21 14:36:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:08,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772350983] [2022-07-21 14:36:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:08,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 14:36:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:36:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 14:36:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 14:36:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:36:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:36:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 14:36:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:36:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:36:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-21 14:36:09,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:09,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772350983] [2022-07-21 14:36:09,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772350983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:09,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:09,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:09,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493217038] [2022-07-21 14:36:09,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:09,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:09,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:09,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:09,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:09,728 INFO L87 Difference]: Start difference. First operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:14,806 INFO L93 Difference]: Finished difference Result 4737 states and 6851 transitions. [2022-07-21 14:36:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:14,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2022-07-21 14:36:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:14,848 INFO L225 Difference]: With dead ends: 4737 [2022-07-21 14:36:14,848 INFO L226 Difference]: Without dead ends: 3149 [2022-07-21 14:36:14,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:14,871 INFO L413 NwaCegarLoop]: 2154 mSDtfsCounter, 4296 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 2659 mSolverCounterSat, 2752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4527 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 5411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2752 IncrementalHoareTripleChecker+Valid, 2659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:14,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4527 Valid, 4493 Invalid, 5411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2752 Valid, 2659 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 14:36:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-07-21 14:36:15,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2883. [2022-07-21 14:36:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2029 states have (on average 1.2966978807294234) internal successors, (2631), 2072 states have internal predecessors, (2631), 702 states have call successors, (702), 152 states have call predecessors, (702), 151 states have return successors, (706), 686 states have call predecessors, (706), 702 states have call successors, (706) [2022-07-21 14:36:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 4039 transitions. [2022-07-21 14:36:15,139 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 4039 transitions. Word has length 185 [2022-07-21 14:36:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:15,141 INFO L495 AbstractCegarLoop]: Abstraction has 2883 states and 4039 transitions. [2022-07-21 14:36:15,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 4039 transitions. [2022-07-21 14:36:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 14:36:15,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:15,153 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-07-21 14:36:15,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:36:15,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash -787352515, now seen corresponding path program 1 times [2022-07-21 14:36:15,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:15,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030520295] [2022-07-21 14:36:15,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 14:36:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:36:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:36:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 14:36:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 14:36:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 14:36:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 14:36:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:36:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:36:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-21 14:36:15,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:15,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030520295] [2022-07-21 14:36:15,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030520295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:15,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:15,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:15,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114834861] [2022-07-21 14:36:15,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:15,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:15,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:15,603 INFO L87 Difference]: Start difference. First operand 2883 states and 4039 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:19,984 INFO L93 Difference]: Finished difference Result 8151 states and 11502 transitions. [2022-07-21 14:36:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:19,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2022-07-21 14:36:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:20,020 INFO L225 Difference]: With dead ends: 8151 [2022-07-21 14:36:20,020 INFO L226 Difference]: Without dead ends: 5291 [2022-07-21 14:36:20,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:20,040 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 3232 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 2022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3381 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 4454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2022 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:20,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3381 Valid, 4376 Invalid, 4454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2022 Valid, 2432 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 14:36:20,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-07-21 14:36:20,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 4775. [2022-07-21 14:36:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4775 states, 3395 states have (on average 1.3045655375552283) internal successors, (4429), 3462 states have internal predecessors, (4429), 1122 states have call successors, (1122), 258 states have call predecessors, (1122), 257 states have return successors, (1126), 1098 states have call predecessors, (1126), 1122 states have call successors, (1126) [2022-07-21 14:36:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6677 transitions. [2022-07-21 14:36:20,253 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6677 transitions. Word has length 196 [2022-07-21 14:36:20,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:20,256 INFO L495 AbstractCegarLoop]: Abstraction has 4775 states and 6677 transitions. [2022-07-21 14:36:20,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6677 transitions. [2022-07-21 14:36:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-21 14:36:20,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:20,261 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-07-21 14:36:20,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:36:20,262 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:20,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:20,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1046522982, now seen corresponding path program 1 times [2022-07-21 14:36:20,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:20,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307556929] [2022-07-21 14:36:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:20,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 14:36:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 14:36:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 14:36:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 14:36:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 14:36:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:36:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 14:36:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:36:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:36:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-21 14:36:20,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:20,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307556929] [2022-07-21 14:36:20,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307556929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:20,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:20,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:20,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474490288] [2022-07-21 14:36:20,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:20,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:20,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:20,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:20,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:20,693 INFO L87 Difference]: Start difference. First operand 4775 states and 6677 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:25,422 INFO L93 Difference]: Finished difference Result 14420 states and 20270 transitions. [2022-07-21 14:36:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 197 [2022-07-21 14:36:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:25,505 INFO L225 Difference]: With dead ends: 14420 [2022-07-21 14:36:25,505 INFO L226 Difference]: Without dead ends: 9668 [2022-07-21 14:36:25,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:25,546 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 3990 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 2516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2516 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:25,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 4334 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2516 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 14:36:25,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9668 states. [2022-07-21 14:36:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9668 to 8736. [2022-07-21 14:36:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.3032508491023775) internal successors, (8058), 6304 states have internal predecessors, (8058), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-21 14:36:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12194 transitions. [2022-07-21 14:36:26,022 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12194 transitions. Word has length 197 [2022-07-21 14:36:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:26,023 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12194 transitions. [2022-07-21 14:36:26,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:36:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12194 transitions. [2022-07-21 14:36:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 14:36:26,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:26,035 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:26,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:36:26,035 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1641465662, now seen corresponding path program 1 times [2022-07-21 14:36:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608830470] [2022-07-21 14:36:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 14:36:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:36:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 14:36:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 14:36:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:36:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 14:36:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:36:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:36:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:36:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 14:36:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 14:36:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 14:36:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:36:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 14:36:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 14:36:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-21 14:36:26,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:26,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608830470] [2022-07-21 14:36:26,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608830470] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:26,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:26,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952891438] [2022-07-21 14:36:26,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:26,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:26,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:26,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:26,543 INFO L87 Difference]: Start difference. First operand 8736 states and 12194 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:31,226 INFO L93 Difference]: Finished difference Result 28016 states and 39795 transitions. [2022-07-21 14:36:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:31,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-21 14:36:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:31,366 INFO L225 Difference]: With dead ends: 28016 [2022-07-21 14:36:31,367 INFO L226 Difference]: Without dead ends: 19303 [2022-07-21 14:36:31,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:31,430 INFO L413 NwaCegarLoop]: 2889 mSDtfsCounter, 3529 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 2302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3765 SdHoareTripleChecker+Valid, 5831 SdHoareTripleChecker+Invalid, 4991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2302 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:31,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3765 Valid, 5831 Invalid, 4991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2302 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 14:36:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19303 states. [2022-07-21 14:36:32,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19303 to 17447. [2022-07-21 14:36:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17447 states, 12351 states have (on average 1.291879200064772) internal successors, (15956), 12593 states have internal predecessors, (15956), 4119 states have call successors, (4119), 984 states have call predecessors, (4119), 976 states have return successors, (4282), 4021 states have call predecessors, (4282), 4119 states have call successors, (4282) [2022-07-21 14:36:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17447 states to 17447 states and 24357 transitions. [2022-07-21 14:36:32,354 INFO L78 Accepts]: Start accepts. Automaton has 17447 states and 24357 transitions. Word has length 266 [2022-07-21 14:36:32,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:32,356 INFO L495 AbstractCegarLoop]: Abstraction has 17447 states and 24357 transitions. [2022-07-21 14:36:32,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17447 states and 24357 transitions. [2022-07-21 14:36:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 14:36:32,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:32,370 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:32,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:36:32,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:32,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:32,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1101036156, now seen corresponding path program 1 times [2022-07-21 14:36:32,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:32,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790139896] [2022-07-21 14:36:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:32,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 14:36:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:36:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 14:36:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 14:36:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:36:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 14:36:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:36:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:36:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:36:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 14:36:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 14:36:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 14:36:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:36:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 14:36:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 14:36:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-21 14:36:32,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:32,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790139896] [2022-07-21 14:36:32,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790139896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:32,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:32,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:32,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012044744] [2022-07-21 14:36:32,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:32,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:32,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:32,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:32,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:32,947 INFO L87 Difference]: Start difference. First operand 17447 states and 24357 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:35,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:35,225 INFO L93 Difference]: Finished difference Result 27087 states and 37767 transitions. [2022-07-21 14:36:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:36:35,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-21 14:36:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:35,299 INFO L225 Difference]: With dead ends: 27087 [2022-07-21 14:36:35,299 INFO L226 Difference]: Without dead ends: 9663 [2022-07-21 14:36:35,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:36:35,502 INFO L413 NwaCegarLoop]: 1873 mSDtfsCounter, 2909 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:35,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 3253 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1543 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:36:35,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9663 states. [2022-07-21 14:36:35,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9663 to 8736. [2022-07-21 14:36:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.2785055798156235) internal successors, (7905), 6304 states have internal predecessors, (7905), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-21 14:36:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12041 transitions. [2022-07-21 14:36:35,911 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12041 transitions. Word has length 266 [2022-07-21 14:36:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:35,912 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12041 transitions. [2022-07-21 14:36:35,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12041 transitions. [2022-07-21 14:36:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 14:36:35,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:35,922 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:35,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:36:35,922 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:35,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:35,923 INFO L85 PathProgramCache]: Analyzing trace with hash 945055614, now seen corresponding path program 1 times [2022-07-21 14:36:35,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:35,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170338858] [2022-07-21 14:36:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 14:36:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:36:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 14:36:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 14:36:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:36:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 14:36:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:36:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:36:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:36:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 14:36:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 14:36:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 14:36:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:36:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 14:36:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 14:36:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-21 14:36:36,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:36,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170338858] [2022-07-21 14:36:36,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170338858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:36,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:36,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:36,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779704865] [2022-07-21 14:36:36,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:36,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:36,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:36,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:36,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:36,312 INFO L87 Difference]: Start difference. First operand 8736 states and 12041 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:38,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:38,111 INFO L93 Difference]: Finished difference Result 18368 states and 25435 transitions. [2022-07-21 14:36:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:36:38,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-21 14:36:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:38,160 INFO L225 Difference]: With dead ends: 18368 [2022-07-21 14:36:38,160 INFO L226 Difference]: Without dead ends: 9655 [2022-07-21 14:36:38,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:36:38,194 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 2902 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 1546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1546 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:38,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 3229 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1546 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 14:36:38,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9655 states. [2022-07-21 14:36:38,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9655 to 8728. [2022-07-21 14:36:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 6175 states have (on average 1.2736842105263158) internal successors, (7865), 6296 states have internal predecessors, (7865), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-21 14:36:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 12001 transitions. [2022-07-21 14:36:38,694 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 12001 transitions. Word has length 266 [2022-07-21 14:36:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:38,695 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 12001 transitions. [2022-07-21 14:36:38,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 12001 transitions. [2022-07-21 14:36:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-21 14:36:38,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:38,705 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:38,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:36:38,705 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1680512938, now seen corresponding path program 1 times [2022-07-21 14:36:38,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:38,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020126765] [2022-07-21 14:36:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:38,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 14:36:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:36:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:36:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:36:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:36:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:36:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 14:36:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 14:36:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 14:36:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:36:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 14:36:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 14:36:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 14:36:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 14:36:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:36:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-21 14:36:39,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:39,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020126765] [2022-07-21 14:36:39,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020126765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:39,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:39,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:39,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148091564] [2022-07-21 14:36:39,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:39,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:39,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:39,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:39,052 INFO L87 Difference]: Start difference. First operand 8728 states and 12001 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:42,552 INFO L93 Difference]: Finished difference Result 22086 states and 30547 transitions. [2022-07-21 14:36:42,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:42,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 269 [2022-07-21 14:36:42,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:42,624 INFO L225 Difference]: With dead ends: 22086 [2022-07-21 14:36:42,625 INFO L226 Difference]: Without dead ends: 13381 [2022-07-21 14:36:42,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:42,662 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 2410 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 1649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1649 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:42,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 6143 Invalid, 4104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1649 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 14:36:42,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2022-07-21 14:36:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 12045. [2022-07-21 14:36:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12045 states, 8548 states have (on average 1.2751520823584463) internal successors, (10900), 8707 states have internal predecessors, (10900), 2810 states have call successors, (2810), 690 states have call predecessors, (2810), 686 states have return successors, (2818), 2749 states have call predecessors, (2818), 2810 states have call successors, (2818) [2022-07-21 14:36:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12045 states to 12045 states and 16528 transitions. [2022-07-21 14:36:43,307 INFO L78 Accepts]: Start accepts. Automaton has 12045 states and 16528 transitions. Word has length 269 [2022-07-21 14:36:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:43,308 INFO L495 AbstractCegarLoop]: Abstraction has 12045 states and 16528 transitions. [2022-07-21 14:36:43,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 14:36:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 12045 states and 16528 transitions. [2022-07-21 14:36:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-21 14:36:43,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:43,322 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:43,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:36:43,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:43,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1667277328, now seen corresponding path program 1 times [2022-07-21 14:36:43,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:43,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058841290] [2022-07-21 14:36:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:43,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 14:36:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:36:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:36:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:36:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:36:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:36:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:36:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:36:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:36:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:36:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:36:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 14:36:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:36:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 14:36:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:36:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 14:36:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 14:36:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 14:36:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:36:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 14:36:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 14:36:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-21 14:36:43,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:43,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058841290] [2022-07-21 14:36:43,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058841290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:43,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:43,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:43,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323671815] [2022-07-21 14:36:43,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:43,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:43,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:43,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:43,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:43,709 INFO L87 Difference]: Start difference. First operand 12045 states and 16528 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 14:36:47,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:47,027 INFO L93 Difference]: Finished difference Result 29091 states and 40133 transitions. [2022-07-21 14:36:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:47,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-21 14:36:47,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:47,106 INFO L225 Difference]: With dead ends: 29091 [2022-07-21 14:36:47,107 INFO L226 Difference]: Without dead ends: 17069 [2022-07-21 14:36:47,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:47,158 INFO L413 NwaCegarLoop]: 3026 mSDtfsCounter, 2407 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 2431 mSolverCounterSat, 1638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 6129 SdHoareTripleChecker+Invalid, 4069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1638 IncrementalHoareTripleChecker+Valid, 2431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:47,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 6129 Invalid, 4069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1638 Valid, 2431 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 14:36:47,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17069 states. [2022-07-21 14:36:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17069 to 15330. [2022-07-21 14:36:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15330 states, 10901 states have (on average 1.2764883955600403) internal successors, (13915), 11098 states have internal predecessors, (13915), 3544 states have call successors, (3544), 888 states have call predecessors, (3544), 884 states have return successors, (3552), 3471 states have call predecessors, (3552), 3544 states have call successors, (3552) [2022-07-21 14:36:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15330 states to 15330 states and 21011 transitions. [2022-07-21 14:36:48,086 INFO L78 Accepts]: Start accepts. Automaton has 15330 states and 21011 transitions. Word has length 343 [2022-07-21 14:36:48,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:48,087 INFO L495 AbstractCegarLoop]: Abstraction has 15330 states and 21011 transitions. [2022-07-21 14:36:48,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 14:36:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 15330 states and 21011 transitions. [2022-07-21 14:36:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-21 14:36:48,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:48,102 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:48,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:36:48,103 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1008715054, now seen corresponding path program 1 times [2022-07-21 14:36:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:48,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788636569] [2022-07-21 14:36:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:36:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 14:36:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:36:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:36:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:36:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:36:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:36:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:36:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:36:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:36:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:36:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:36:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 14:36:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:36:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 14:36:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:36:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 14:36:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 14:36:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 14:36:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:36:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 14:36:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 14:36:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-21 14:36:48,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:48,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788636569] [2022-07-21 14:36:48,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788636569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:48,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:48,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:36:48,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190360979] [2022-07-21 14:36:48,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:48,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:36:48,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:48,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:36:48,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:36:48,715 INFO L87 Difference]: Start difference. First operand 15330 states and 21011 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 14:36:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:36:52,389 INFO L93 Difference]: Finished difference Result 36228 states and 49917 transitions. [2022-07-21 14:36:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:36:52,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-21 14:36:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:36:52,469 INFO L225 Difference]: With dead ends: 36228 [2022-07-21 14:36:52,469 INFO L226 Difference]: Without dead ends: 20921 [2022-07-21 14:36:52,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:36:52,510 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 2768 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2969 SdHoareTripleChecker+Valid, 6018 SdHoareTripleChecker+Invalid, 4108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:36:52,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2969 Valid, 6018 Invalid, 4108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1734 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 14:36:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20921 states. [2022-07-21 14:36:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20921 to 18779. [2022-07-21 14:36:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18779 states, 13369 states have (on average 1.2757872690552772) internal successors, (17056), 13607 states have internal predecessors, (17056), 4320 states have call successors, (4320), 1093 states have call predecessors, (4320), 1089 states have return successors, (4328), 4233 states have call predecessors, (4328), 4320 states have call successors, (4328) [2022-07-21 14:36:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18779 states to 18779 states and 25704 transitions. [2022-07-21 14:36:53,242 INFO L78 Accepts]: Start accepts. Automaton has 18779 states and 25704 transitions. Word has length 343 [2022-07-21 14:36:53,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:36:53,242 INFO L495 AbstractCegarLoop]: Abstraction has 18779 states and 25704 transitions. [2022-07-21 14:36:53,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 14:36:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 18779 states and 25704 transitions. [2022-07-21 14:36:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-21 14:36:53,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:36:53,258 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:36:53,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 14:36:53,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:36:53,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:36:53,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1201522635, now seen corresponding path program 1 times [2022-07-21 14:36:53,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:36:53,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049514169] [2022-07-21 14:36:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:36:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:36:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:36:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:36:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:36:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:36:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:36:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:36:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:36:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:36:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:36:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:36:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 14:36:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:36:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 14:36:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:36:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:36:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 14:36:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:36:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:36:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:36:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 14:36:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:36:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 14:36:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 14:36:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:36:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:36:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:36:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 14:36:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:36:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:36:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:36:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:36:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 14:36:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:36:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:36:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 14:36:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:36:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 14:36:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 14:36:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:36:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:36:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 14:36:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:36:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 14:36:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:36:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:36:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 14:36:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-21 14:36:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-21 14:36:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 14:36:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 14:36:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 14:36:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:36:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2022-07-21 14:36:53,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:36:53,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049514169] [2022-07-21 14:36:53,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049514169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:36:53,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:36:53,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:36:53,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701875348] [2022-07-21 14:36:53,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:36:53,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:36:53,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:36:53,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:36:53,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:36:53,851 INFO L87 Difference]: Start difference. First operand 18779 states and 25704 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-21 14:37:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:37:01,087 INFO L93 Difference]: Finished difference Result 58461 states and 81008 transitions. [2022-07-21 14:37:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 14:37:01,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 403 [2022-07-21 14:37:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:37:01,265 INFO L225 Difference]: With dead ends: 58461 [2022-07-21 14:37:01,265 INFO L226 Difference]: Without dead ends: 39705 [2022-07-21 14:37:01,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-21 14:37:01,359 INFO L413 NwaCegarLoop]: 2394 mSDtfsCounter, 5994 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 4885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 5691 SdHoareTripleChecker+Invalid, 9685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4885 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:37:01,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 5691 Invalid, 9685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4885 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 14:37:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39705 states. [2022-07-21 14:37:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39705 to 31679. [2022-07-21 14:37:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31679 states, 22677 states have (on average 1.2674075054019491) internal successors, (28741), 23103 states have internal predecessors, (28741), 7090 states have call successors, (7090), 1923 states have call predecessors, (7090), 1911 states have return successors, (7106), 6909 states have call predecessors, (7106), 7090 states have call successors, (7106) [2022-07-21 14:37:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31679 states to 31679 states and 42937 transitions. [2022-07-21 14:37:02,799 INFO L78 Accepts]: Start accepts. Automaton has 31679 states and 42937 transitions. Word has length 403 [2022-07-21 14:37:02,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:37:02,799 INFO L495 AbstractCegarLoop]: Abstraction has 31679 states and 42937 transitions. [2022-07-21 14:37:02,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-21 14:37:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 31679 states and 42937 transitions. [2022-07-21 14:37:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-21 14:37:02,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:37:02,820 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:37:02,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 14:37:02,821 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:37:02,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:37:02,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1944326068, now seen corresponding path program 1 times [2022-07-21 14:37:02,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:37:02,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278421944] [2022-07-21 14:37:02,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:37:02,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:37:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:37:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:37:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:37:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:37:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:37:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:37:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:37:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:37:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:37:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:37:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:37:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:37:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 14:37:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:37:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 14:37:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:37:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:37:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 14:37:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:37:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 14:37:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:37:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 14:37:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:37:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 14:37:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 14:37:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:37:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:37:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 14:37:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:37:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 14:37:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:37:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:37:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 14:37:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:37:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 14:37:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 14:37:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 14:37:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:37:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 14:37:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 14:37:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:37:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 14:37:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 14:37:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 14:37:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 14:37:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 14:37:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-07-21 14:37:03,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:37:03,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278421944] [2022-07-21 14:37:03,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278421944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:37:03,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:37:03,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:37:03,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771417451] [2022-07-21 14:37:03,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:37:03,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:37:03,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:37:03,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:37:03,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:37:03,400 INFO L87 Difference]: Start difference. First operand 31679 states and 42937 transitions. Second operand has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-21 14:37:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:37:13,069 INFO L93 Difference]: Finished difference Result 110691 states and 153066 transitions. [2022-07-21 14:37:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 14:37:13,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 426 [2022-07-21 14:37:13,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:37:13,492 INFO L225 Difference]: With dead ends: 110691 [2022-07-21 14:37:13,492 INFO L226 Difference]: Without dead ends: 79035 [2022-07-21 14:37:13,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-21 14:37:13,649 INFO L413 NwaCegarLoop]: 2568 mSDtfsCounter, 6329 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 5052 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6543 SdHoareTripleChecker+Valid, 6376 SdHoareTripleChecker+Invalid, 10085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5052 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:37:13,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6543 Valid, 6376 Invalid, 10085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5052 Valid, 5033 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-21 14:37:13,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79035 states. [2022-07-21 14:37:16,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79035 to 62953. [2022-07-21 14:37:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62953 states, 44999 states have (on average 1.2668503744527657) internal successors, (57007), 45911 states have internal predecessors, (57007), 14131 states have call successors, (14131), 3846 states have call predecessors, (14131), 3822 states have return successors, (14163), 13709 states have call predecessors, (14163), 14131 states have call successors, (14163) [2022-07-21 14:37:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62953 states to 62953 states and 85301 transitions. [2022-07-21 14:37:17,134 INFO L78 Accepts]: Start accepts. Automaton has 62953 states and 85301 transitions. Word has length 426 [2022-07-21 14:37:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:37:17,134 INFO L495 AbstractCegarLoop]: Abstraction has 62953 states and 85301 transitions. [2022-07-21 14:37:17,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-21 14:37:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62953 states and 85301 transitions. [2022-07-21 14:37:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-07-21 14:37:17,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:37:17,168 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:37:17,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 14:37:17,169 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:37:17,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:37:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash 637961587, now seen corresponding path program 1 times [2022-07-21 14:37:17,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:37:17,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678461324] [2022-07-21 14:37:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:37:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:37:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:37:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:37:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:37:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:37:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:37:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:37:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:37:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:37:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:37:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:37:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:37:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 14:37:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:37:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:37:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:37:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:37:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:37:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 14:37:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:37:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:37:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:37:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:37:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 14:37:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 14:37:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 14:37:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 14:37:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 14:37:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 14:37:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 14:37:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 14:37:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 14:37:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 14:37:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:37:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:37:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 14:37:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:37:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 14:37:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 14:37:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 14:37:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-21 14:37:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:17,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1052 trivial. 0 not checked. [2022-07-21 14:37:17,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:37:17,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678461324] [2022-07-21 14:37:17,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678461324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:37:17,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:37:17,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:37:17,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752925173] [2022-07-21 14:37:17,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:37:17,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:37:17,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:37:17,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:37:17,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:37:17,735 INFO L87 Difference]: Start difference. First operand 62953 states and 85301 transitions. Second operand has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-21 14:37:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:37:28,307 INFO L93 Difference]: Finished difference Result 219439 states and 303100 transitions. [2022-07-21 14:37:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:37:28,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 420 [2022-07-21 14:37:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:37:29,157 INFO L225 Difference]: With dead ends: 219439 [2022-07-21 14:37:29,157 INFO L226 Difference]: Without dead ends: 156509 [2022-07-21 14:37:29,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:37:29,350 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 3328 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 5447 mSolverCounterSat, 2263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 10773 SdHoareTripleChecker+Invalid, 7710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2263 IncrementalHoareTripleChecker+Valid, 5447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:37:29,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 10773 Invalid, 7710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2263 Valid, 5447 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 14:37:29,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156509 states. [2022-07-21 14:37:34,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156509 to 107647. [2022-07-21 14:37:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107647 states, 76999 states have (on average 1.2703411732619905) internal successors, (97815), 78583 states have internal predecessors, (97815), 23933 states have call successors, (23933), 6762 states have call predecessors, (23933), 6714 states have return successors, (23989), 23165 states have call predecessors, (23989), 23933 states have call successors, (23989) [2022-07-21 14:37:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107647 states to 107647 states and 145737 transitions. [2022-07-21 14:37:35,558 INFO L78 Accepts]: Start accepts. Automaton has 107647 states and 145737 transitions. Word has length 420 [2022-07-21 14:37:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:37:35,559 INFO L495 AbstractCegarLoop]: Abstraction has 107647 states and 145737 transitions. [2022-07-21 14:37:35,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-21 14:37:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 107647 states and 145737 transitions. [2022-07-21 14:37:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-21 14:37:35,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:37:35,596 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:37:35,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 14:37:35,596 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:37:35,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:37:35,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1427505254, now seen corresponding path program 1 times [2022-07-21 14:37:35,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:37:35,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810822343] [2022-07-21 14:37:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:37:35,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:37:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:37:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:37:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:37:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:37:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:37:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:37:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:37:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:37:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:37:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 14:37:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 14:37:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:37:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 14:37:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:37:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 14:37:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 14:37:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 14:37:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:37:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:37:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:37:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:37:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 14:37:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:37:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 14:37:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:37:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 14:37:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 14:37:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:37:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:37:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:37:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:37:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:37:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 14:37:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 14:37:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 14:37:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 14:37:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:37:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 14:37:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:37:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 14:37:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 14:37:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 14:37:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 14:37:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:37:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:37:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 14:37:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 14:37:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-21 14:37:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 14:37:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-21 14:37:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 14:37:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:37:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-07-21 14:37:36,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:37:36,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810822343] [2022-07-21 14:37:36,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810822343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:37:36,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:37:36,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:37:36,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202679128] [2022-07-21 14:37:36,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:37:36,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:37:36,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:37:36,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:37:36,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:37:36,199 INFO L87 Difference]: Start difference. First operand 107647 states and 145737 transitions. Second operand has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-21 14:37:46,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:37:46,670 INFO L93 Difference]: Finished difference Result 244398 states and 335627 transitions. [2022-07-21 14:37:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:37:46,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 446 [2022-07-21 14:37:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:37:47,541 INFO L225 Difference]: With dead ends: 244398 [2022-07-21 14:37:47,542 INFO L226 Difference]: Without dead ends: 136774 [2022-07-21 14:37:47,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-07-21 14:37:47,866 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 2985 mSDsluCounter, 2846 mSDsCounter, 0 mSdLazyCounter, 3592 mSolverCounterSat, 2602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 6194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2602 IncrementalHoareTripleChecker+Valid, 3592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:37:47,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 4648 Invalid, 6194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2602 Valid, 3592 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 14:37:47,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136774 states.