./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-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-amd-pcnet32.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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:06:20,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:06:20,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:06:20,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:06:20,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:06:20,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:06:20,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:06:20,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:06:20,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:06:20,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:06:20,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:06:20,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:06:20,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:06:20,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:06:20,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:06:20,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:06:20,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:06:20,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:06:20,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:06:20,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:06:20,858 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:06:20,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:06:20,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:06:20,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:06:20,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:06:20,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:06:20,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:06:20,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:06:20,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:06:20,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:06:20,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:06:20,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:06:20,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:06:20,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:06:20,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:06:20,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:06:20,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:06:20,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:06:20,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:06:20,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:06:20,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:06:20,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:06:20,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:06:20,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:06:20,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:06:20,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:06:20,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:06:20,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:06:20,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:06:20,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:06:20,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:06:20,898 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:06:20,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:06:20,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:06:20,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:06:20,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:06:20,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:06:20,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:06:20,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:06:20,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:06:20,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:06:20,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:06:20,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:06:20,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:06:20,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:20,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:06:20,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:06:20,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:06:20,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:06:20,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:06:20,903 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:06:20,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:06:20,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:06:20,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2022-07-12 16:06:21,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:06:21,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:06:21,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:06:21,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:06:21,172 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:06:21,173 INFO L432 ainManager$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-amd-pcnet32.cil.i [2022-07-12 16:06:21,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111970153/aeb4c5f8ab09405781d1eab5e53d1602/FLAG68de4502d [2022-07-12 16:06:21,978 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:06:21,979 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-amd-pcnet32.cil.i [2022-07-12 16:06:22,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111970153/aeb4c5f8ab09405781d1eab5e53d1602/FLAG68de4502d [2022-07-12 16:06:22,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111970153/aeb4c5f8ab09405781d1eab5e53d1602 [2022-07-12 16:06:22,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:06:22,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:06:22,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:22,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:06:22,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:06:22,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:22" (1/1) ... [2022-07-12 16:06:22,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33adfdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:22, skipping insertion in model container [2022-07-12 16:06:22,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:22" (1/1) ... [2022-07-12 16:06:22,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:06:22,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:06:25,560 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-amd-pcnet32.cil.i[422956,422969] [2022-07-12 16:06:25,563 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-amd-pcnet32.cil.i[423101,423114] [2022-07-12 16:06:25,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:25,622 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:06:25,988 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-amd-pcnet32.cil.i[422956,422969] [2022-07-12 16:06:25,989 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-amd-pcnet32.cil.i[423101,423114] [2022-07-12 16:06:25,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:26,186 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:06:26,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26 WrapperNode [2022-07-12 16:06:26,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:26,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:26,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:06:26,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:06:26,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,532 INFO L137 Inliner]: procedures = 556, calls = 2946, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7648 [2022-07-12 16:06:26,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:26,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:06:26,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:06:26,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:06:26,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:06:26,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:06:26,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:06:26,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:06:26,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (1/1) ... [2022-07-12 16:06:26,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:26,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:06:26,928 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) [2022-07-12 16:06:26,951 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 [2022-07-12 16:06:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-12 16:06:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-12 16:06:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:06:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:06:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:06:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:06:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:06:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:06:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-07-12 16:06:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-07-12 16:06:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:06:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:06:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 16:06:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 16:06:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:06:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:06:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:06:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:06:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-12 16:06:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-12 16:06:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:06:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:06:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:06:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:06:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:06:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:06:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:06:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:06:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:06:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:06:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:06:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:06:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:06:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:06:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:06:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-12 16:06:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-12 16:06:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:06:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:06:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:06:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:06:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:06:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-12 16:06:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-12 16:06:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:06:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:06:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:06:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:06:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:06:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:06:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:06:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-12 16:06:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-12 16:06:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:06:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:06:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:06:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 16:06:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 16:06:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:06:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:06:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-12 16:06:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-12 16:06:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:06:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:06:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:06:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:06:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:06:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:06:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:06:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:06:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-12 16:06:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-12 16:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-12 16:06:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-12 16:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-12 16:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-12 16:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-12 16:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-12 16:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-12 16:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-12 16:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-12 16:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-12 16:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-12 16:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-12 16:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-12 16:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-12 16:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-12 16:06:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-12 16:06:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:06:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:06:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 16:06:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 16:06:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:06:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:06:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 16:06:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 16:06:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:06:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:06:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-12 16:06:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-12 16:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-12 16:06:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-12 16:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:06:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-12 16:06:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-12 16:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 16:06:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 16:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:06:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:06:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:06:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-12 16:06:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-12 16:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-12 16:06:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-12 16:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-12 16:06:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-12 16:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 16:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:06:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-12 16:06:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-12 16:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-12 16:06:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-12 16:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:06:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:06:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 16:06:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 16:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:06:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 16:06:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 16:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-12 16:06:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-12 16:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-12 16:06:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-12 16:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-12 16:06:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-12 16:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-12 16:06:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-12 16:06:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:06:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:06:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:06:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-12 16:06:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-12 16:06:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:06:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:06:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:06:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-12 16:06:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-12 16:06:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:06:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-12 16:06:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-12 16:06:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-12 16:06:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-12 16:06:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-12 16:06:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-12 16:06:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:06:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:06:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-12 16:06:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-12 16:06:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:06:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:06:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-12 16:06:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-12 16:06:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 16:06:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 16:06:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 16:06:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 16:06:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-12 16:06:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-12 16:06:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-12 16:06:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-12 16:06:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-12 16:06:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-12 16:06:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-12 16:06:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-12 16:06:26,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 16:06:26,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 16:06:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:06:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:06:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:06:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:06:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-12 16:06:26,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-12 16:06:26,998 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:06:26,999 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:06:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-12 16:06:26,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-12 16:06:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-12 16:06:26,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-12 16:06:26,999 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 16:06:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 16:06:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:06:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:06:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:06:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-12 16:06:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-12 16:06:27,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:06:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:06:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:06:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:06:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:06:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:06:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-12 16:06:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-12 16:06:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-12 16:06:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-12 16:06:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 16:06:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 16:06:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-12 16:06:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-12 16:06:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:06:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:06:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:06:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:06:27,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:06:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:06:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 16:06:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 16:06:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 16:06:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 16:06:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:06:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 16:06:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 16:06:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-12 16:06:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-12 16:06:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:06:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:06:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:06:27,005 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:06:27,954 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:06:27,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:06:28,197 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:06:33,934 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:06:34,106 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:06:34,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:06:34,136 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-12 16:06:34,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:06:34 BoogieIcfgContainer [2022-07-12 16:06:34,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:06:34,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:06:34,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:06:34,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:06:34,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:06:22" (1/3) ... [2022-07-12 16:06:34,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd78228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:06:34, skipping insertion in model container [2022-07-12 16:06:34,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:26" (2/3) ... [2022-07-12 16:06:34,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd78228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:06:34, skipping insertion in model container [2022-07-12 16:06:34,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:06:34" (3/3) ... [2022-07-12 16:06:34,150 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-12 16:06:34,162 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:06:34,163 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:06:34,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:06:34,275 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@132ac26, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5cccd0aa [2022-07-12 16:06:34,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:06:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 2786 states, 1963 states have (on average 1.3295975547631176) internal successors, (2610), 2003 states have internal predecessors, (2610), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2022-07-12 16:06:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-12 16:06:34,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:06:34,331 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-07-12 16:06:34,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:06:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:06:34,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1721143499, now seen corresponding path program 1 times [2022-07-12 16:06:34,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:06:34,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194713832] [2022-07-12 16:06:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:06:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:06:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:06:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:06:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:06:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:06:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:06:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:06:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:06:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:06:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:06:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:06:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:06:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:06:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:06:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:06:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:06:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 16:06:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:06:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:06:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 16:06:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 16:06:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:06:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:06:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:06:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 16:06:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:06:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 16:06:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 16:06:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:06:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-07-12 16:06:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:06:35,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194713832] [2022-07-12 16:06:35,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194713832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:06:35,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:06:35,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:06:35,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857592771] [2022-07-12 16:06:35,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:06:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:06:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:06:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:06:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:06:35,528 INFO L87 Difference]: Start difference. First operand has 2786 states, 1963 states have (on average 1.3295975547631176) internal successors, (2610), 2003 states have internal predecessors, (2610), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 16:06:50,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:06:51,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:06:57,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:00,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:02,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:03,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:03,412 INFO L93 Difference]: Finished difference Result 8674 states and 12740 transitions. [2022-07-12 16:07:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:07:03,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 258 [2022-07-12 16:07:03,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:03,463 INFO L225 Difference]: With dead ends: 8674 [2022-07-12 16:07:03,464 INFO L226 Difference]: Without dead ends: 5724 [2022-07-12 16:07:03,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:07:03,487 INFO L413 NwaCegarLoop]: 4250 mSDtfsCounter, 8687 mSDsluCounter, 6234 mSDsCounter, 0 mSdLazyCounter, 7223 mSolverCounterSat, 6254 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9141 SdHoareTripleChecker+Valid, 10484 SdHoareTripleChecker+Invalid, 13478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6254 IncrementalHoareTripleChecker+Valid, 7223 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:03,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9141 Valid, 10484 Invalid, 13478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6254 Valid, 7223 Invalid, 1 Unknown, 0 Unchecked, 27.1s Time] [2022-07-12 16:07:03,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5724 states. [2022-07-12 16:07:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5077. [2022-07-12 16:07:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 3620 states have (on average 1.2966850828729282) internal successors, (4694), 3689 states have internal predecessors, (4694), 1223 states have call successors, (1223), 233 states have call predecessors, (1223), 233 states have return successors, (1223), 1199 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-07-12 16:07:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 7140 transitions. [2022-07-12 16:07:03,888 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 7140 transitions. Word has length 258 [2022-07-12 16:07:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:03,892 INFO L495 AbstractCegarLoop]: Abstraction has 5077 states and 7140 transitions. [2022-07-12 16:07:03,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 16:07:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 7140 transitions. [2022-07-12 16:07:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-12 16:07:03,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:03,909 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-07-12 16:07:03,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:07:03,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:03,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1745276833, now seen corresponding path program 1 times [2022-07-12 16:07:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:03,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165303990] [2022-07-12 16:07:03,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:03,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:07:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 16:07:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 16:07:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:07:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:07:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 16:07:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:07:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:07:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:07:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:07:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:07:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 16:07:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 16:07:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-07-12 16:07:04,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:04,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165303990] [2022-07-12 16:07:04,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165303990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:04,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:04,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:07:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75603818] [2022-07-12 16:07:04,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:04,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:07:04,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:04,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:07:04,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:07:04,553 INFO L87 Difference]: Start difference. First operand 5077 states and 7140 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 16:07:09,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:10,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:26,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:26,052 INFO L93 Difference]: Finished difference Result 14900 states and 21042 transitions. [2022-07-12 16:07:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:07:26,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 268 [2022-07-12 16:07:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:26,117 INFO L225 Difference]: With dead ends: 14900 [2022-07-12 16:07:26,118 INFO L226 Difference]: Without dead ends: 9854 [2022-07-12 16:07:26,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:07:26,144 INFO L413 NwaCegarLoop]: 3538 mSDtfsCounter, 8538 mSDsluCounter, 5566 mSDsCounter, 0 mSdLazyCounter, 6293 mSolverCounterSat, 5926 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8852 SdHoareTripleChecker+Valid, 9104 SdHoareTripleChecker+Invalid, 12220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5926 IncrementalHoareTripleChecker+Valid, 6293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:26,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8852 Valid, 9104 Invalid, 12220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5926 Valid, 6293 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2022-07-12 16:07:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9854 states. [2022-07-12 16:07:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9854 to 8696. [2022-07-12 16:07:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8696 states, 6213 states have (on average 1.2993722839208113) internal successors, (8073), 6325 states have internal predecessors, (8073), 2035 states have call successors, (2035), 438 states have call predecessors, (2035), 447 states have return successors, (2059), 1992 states have call predecessors, (2059), 2035 states have call successors, (2059) [2022-07-12 16:07:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8696 states to 8696 states and 12167 transitions. [2022-07-12 16:07:26,591 INFO L78 Accepts]: Start accepts. Automaton has 8696 states and 12167 transitions. Word has length 268 [2022-07-12 16:07:26,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:26,591 INFO L495 AbstractCegarLoop]: Abstraction has 8696 states and 12167 transitions. [2022-07-12 16:07:26,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-12 16:07:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 8696 states and 12167 transitions. [2022-07-12 16:07:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-12 16:07:26,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:26,609 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:07:26,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:07:26,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1947325840, now seen corresponding path program 1 times [2022-07-12 16:07:26,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:26,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357840904] [2022-07-12 16:07:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:07:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:07:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:07:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:07:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:07:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:07:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:07:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:07:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 16:07:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:07:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:07:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:07:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 16:07:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:07:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:07:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-12 16:07:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:07:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-12 16:07:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:07:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-12 16:07:27,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:27,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357840904] [2022-07-12 16:07:27,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357840904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:27,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:27,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:07:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912039855] [2022-07-12 16:07:27,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:27,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:07:27,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:27,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:07:27,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:07:27,304 INFO L87 Difference]: Start difference. First operand 8696 states and 12167 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-12 16:07:38,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:42,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:48,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:48,890 INFO L93 Difference]: Finished difference Result 28296 states and 39896 transitions. [2022-07-12 16:07:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:07:48,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 331 [2022-07-12 16:07:48,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:49,021 INFO L225 Difference]: With dead ends: 28296 [2022-07-12 16:07:49,022 INFO L226 Difference]: Without dead ends: 19631 [2022-07-12 16:07:49,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:07:49,079 INFO L413 NwaCegarLoop]: 4475 mSDtfsCounter, 9312 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 6898 mSolverCounterSat, 6004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9798 SdHoareTripleChecker+Valid, 11393 SdHoareTripleChecker+Invalid, 12902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6004 IncrementalHoareTripleChecker+Valid, 6898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:49,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9798 Valid, 11393 Invalid, 12902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6004 Valid, 6898 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2022-07-12 16:07:49,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19631 states. [2022-07-12 16:07:49,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19631 to 17331. [2022-07-12 16:07:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17331 states, 12383 states have (on average 1.2997658079625294) internal successors, (16095), 12613 states have internal predecessors, (16095), 4051 states have call successors, (4051), 876 states have call predecessors, (4051), 896 states have return successors, (4111), 3961 states have call predecessors, (4111), 4051 states have call successors, (4111) [2022-07-12 16:07:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17331 states to 17331 states and 24257 transitions. [2022-07-12 16:07:49,928 INFO L78 Accepts]: Start accepts. Automaton has 17331 states and 24257 transitions. Word has length 331 [2022-07-12 16:07:49,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:49,929 INFO L495 AbstractCegarLoop]: Abstraction has 17331 states and 24257 transitions. [2022-07-12 16:07:49,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-12 16:07:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 17331 states and 24257 transitions. [2022-07-12 16:07:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-12 16:07:49,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:49,943 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:07:49,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:07:49,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:49,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash 730201006, now seen corresponding path program 1 times [2022-07-12 16:07:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:07:49,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219918195] [2022-07-12 16:07:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:07:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:07:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:07:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:07:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:07:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:07:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:07:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:07:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:07:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:07:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:07:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:07:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:07:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:07:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:07:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:07:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:07:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:07:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:07:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:07:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:07:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:07:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:07:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 16:07:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:07:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:07:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:07:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 16:07:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:07:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:07:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-12 16:07:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:07:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:07:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-12 16:07:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:07:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-12 16:07:50,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:07:50,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219918195] [2022-07-12 16:07:50,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219918195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:50,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:50,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:07:50,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162568575] [2022-07-12 16:07:50,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:50,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:07:50,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:07:50,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:07:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:07:50,720 INFO L87 Difference]: Start difference. First operand 17331 states and 24257 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-12 16:07:55,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:07:57,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:00,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:04,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:07,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:11,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:17,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:08:17,788 INFO L93 Difference]: Finished difference Result 45825 states and 64604 transitions. [2022-07-12 16:08:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:08:17,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 331 [2022-07-12 16:08:17,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:08:18,026 INFO L225 Difference]: With dead ends: 45825 [2022-07-12 16:08:18,026 INFO L226 Difference]: Without dead ends: 28525 [2022-07-12 16:08:18,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:08:18,089 INFO L413 NwaCegarLoop]: 5007 mSDtfsCounter, 7330 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 7243 mSolverCounterSat, 5113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7774 SdHoareTripleChecker+Valid, 12014 SdHoareTripleChecker+Invalid, 12356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5113 IncrementalHoareTripleChecker+Valid, 7243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:08:18,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7774 Valid, 12014 Invalid, 12356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5113 Valid, 7243 Invalid, 0 Unknown, 0 Unchecked, 26.2s Time] [2022-07-12 16:08:18,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28525 states. [2022-07-12 16:08:19,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28525 to 25155. [2022-07-12 16:08:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25155 states, 18021 states have (on average 1.3008712058154375) internal successors, (23443), 18344 states have internal predecessors, (23443), 5834 states have call successors, (5834), 1276 states have call predecessors, (5834), 1299 states have return successors, (5902), 5702 states have call predecessors, (5902), 5834 states have call successors, (5902) [2022-07-12 16:08:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25155 states to 25155 states and 35179 transitions. [2022-07-12 16:08:19,219 INFO L78 Accepts]: Start accepts. Automaton has 25155 states and 35179 transitions. Word has length 331 [2022-07-12 16:08:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:08:19,219 INFO L495 AbstractCegarLoop]: Abstraction has 25155 states and 35179 transitions. [2022-07-12 16:08:19,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-12 16:08:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 25155 states and 35179 transitions. [2022-07-12 16:08:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-07-12 16:08:19,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:08:19,237 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:08:19,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:08:19,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:08:19,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:08:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash 144161826, now seen corresponding path program 1 times [2022-07-12 16:08:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:08:19,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221210110] [2022-07-12 16:08:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:08:19,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:08:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:08:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:08:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:08:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:08:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:08:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:08:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:08:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:08:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:08:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:08:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:08:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:08:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:08:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:08:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:08:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:08:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:08:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:08:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:08:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:08:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:08:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:08:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:08:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:08:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:08:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:08:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:08:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:08:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:08:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 16:08:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-12 16:08:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:08:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:08:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 16:08:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 16:08:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:08:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:08:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 16:08:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 16:08:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:08:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 16:08:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-07-12 16:08:19,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:08:19,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221210110] [2022-07-12 16:08:19,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221210110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:08:19,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:08:19,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:08:19,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475156390] [2022-07-12 16:08:19,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:08:19,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:08:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:08:19,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:08:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:08:19,959 INFO L87 Difference]: Start difference. First operand 25155 states and 35179 transitions. Second operand has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-12 16:08:27,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:31,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:41,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:08:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:08:47,256 INFO L93 Difference]: Finished difference Result 62567 states and 88104 transitions. [2022-07-12 16:08:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:08:47,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 405 [2022-07-12 16:08:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:08:47,440 INFO L225 Difference]: With dead ends: 62567 [2022-07-12 16:08:47,441 INFO L226 Difference]: Without dead ends: 37443 [2022-07-12 16:08:47,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:08:47,543 INFO L413 NwaCegarLoop]: 6293 mSDtfsCounter, 6080 mSDsluCounter, 8790 mSDsCounter, 0 mSdLazyCounter, 7557 mSolverCounterSat, 4231 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6523 SdHoareTripleChecker+Valid, 15083 SdHoareTripleChecker+Invalid, 11789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4231 IncrementalHoareTripleChecker+Valid, 7557 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:08:47,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6523 Valid, 15083 Invalid, 11789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4231 Valid, 7557 Invalid, 1 Unknown, 0 Unchecked, 26.1s Time] [2022-07-12 16:08:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37443 states. [2022-07-12 16:08:48,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37443 to 32967. [2022-07-12 16:08:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32967 states, 23647 states have (on average 1.301602740305324) internal successors, (30779), 24063 states have internal predecessors, (30779), 7617 states have call successors, (7617), 1676 states have call predecessors, (7617), 1702 states have return successors, (7693), 7443 states have call predecessors, (7693), 7617 states have call successors, (7693) [2022-07-12 16:08:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32967 states to 32967 states and 46089 transitions. [2022-07-12 16:08:48,935 INFO L78 Accepts]: Start accepts. Automaton has 32967 states and 46089 transitions. Word has length 405 [2022-07-12 16:08:48,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:08:48,938 INFO L495 AbstractCegarLoop]: Abstraction has 32967 states and 46089 transitions. [2022-07-12 16:08:48,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-12 16:08:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32967 states and 46089 transitions. [2022-07-12 16:08:48,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-07-12 16:08:48,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:08:48,960 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:08:48,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:08:48,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:08:48,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:08:48,961 INFO L85 PathProgramCache]: Analyzing trace with hash 615518176, now seen corresponding path program 1 times [2022-07-12 16:08:48,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:08:48,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307948878] [2022-07-12 16:08:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:08:48,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:08:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:08:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:08:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:08:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:08:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:08:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:08:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:08:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:08:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:08:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:08:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:08:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:08:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:08:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:08:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:08:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:08:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:08:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:08:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:08:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:08:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:08:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:08:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:08:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:08:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:08:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:08:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:08:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:08:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:08:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 16:08:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-12 16:08:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:08:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:08:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 16:08:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 16:08:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:08:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:08:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 16:08:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 16:08:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:08:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:08:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 16:08:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-07-12 16:08:49,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:08:49,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307948878] [2022-07-12 16:08:49,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307948878] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:08:49,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:08:49,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:08:49,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769465731] [2022-07-12 16:08:49,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:08:49,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:08:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:08:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:08:49,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:08:49,968 INFO L87 Difference]: Start difference. First operand 32967 states and 46089 transitions. Second operand has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-12 16:08:55,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:09,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:13,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:15,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:16,639 INFO L93 Difference]: Finished difference Result 79315 states and 111636 transitions. [2022-07-12 16:09:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:09:16,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 405 [2022-07-12 16:09:16,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:16,858 INFO L225 Difference]: With dead ends: 79315 [2022-07-12 16:09:16,858 INFO L226 Difference]: Without dead ends: 46379 [2022-07-12 16:09:16,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:09:16,983 INFO L413 NwaCegarLoop]: 6361 mSDtfsCounter, 6084 mSDsluCounter, 8812 mSDsCounter, 0 mSdLazyCounter, 7632 mSolverCounterSat, 4208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6531 SdHoareTripleChecker+Valid, 15173 SdHoareTripleChecker+Invalid, 11840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4208 IncrementalHoareTripleChecker+Valid, 7632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:16,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6531 Valid, 15173 Invalid, 11840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4208 Valid, 7632 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2022-07-12 16:09:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46379 states. [2022-07-12 16:09:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46379 to 40797. [2022-07-12 16:09:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40797 states, 29289 states have (on average 1.3018880808494657) internal successors, (38131), 29798 states have internal predecessors, (38131), 9400 states have call successors, (9400), 2078 states have call predecessors, (9400), 2107 states have return successors, (9484), 9184 states have call predecessors, (9484), 9400 states have call successors, (9484) [2022-07-12 16:09:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40797 states to 40797 states and 57015 transitions. [2022-07-12 16:09:18,755 INFO L78 Accepts]: Start accepts. Automaton has 40797 states and 57015 transitions. Word has length 405 [2022-07-12 16:09:18,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:18,756 INFO L495 AbstractCegarLoop]: Abstraction has 40797 states and 57015 transitions. [2022-07-12 16:09:18,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-12 16:09:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 40797 states and 57015 transitions. [2022-07-12 16:09:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-12 16:09:18,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:18,781 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-12 16:09:18,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:09:18,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:18,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:18,782 INFO L85 PathProgramCache]: Analyzing trace with hash 290219334, now seen corresponding path program 1 times [2022-07-12 16:09:18,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:09:18,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541799058] [2022-07-12 16:09:18,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:18,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:09:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:09:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:09:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:09:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:09:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:09:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:09:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:09:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:09:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:09:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:09:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:09:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:09:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:09:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:09:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:09:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:09:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 16:09:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 16:09:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:09:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-12 16:09:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 16:09:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:09:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:09:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 16:09:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 16:09:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:09:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:09:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 16:09:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:09:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:09:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 16:09:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 16:09:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 16:09:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 16:09:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-12 16:09:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 16:09:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 16:09:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 16:09:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 16:09:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 16:09:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-12 16:09:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2022-07-12 16:09:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:09:19,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541799058] [2022-07-12 16:09:19,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541799058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:19,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:19,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:09:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995108619] [2022-07-12 16:09:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:19,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:09:19,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:09:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:09:19,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:09:19,723 INFO L87 Difference]: Start difference. First operand 40797 states and 57015 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-12 16:09:22,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:26,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:26,400 INFO L93 Difference]: Finished difference Result 70879 states and 98826 transitions. [2022-07-12 16:09:26,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:09:26,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 487 [2022-07-12 16:09:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:26,556 INFO L225 Difference]: With dead ends: 70879 [2022-07-12 16:09:26,556 INFO L226 Difference]: Without dead ends: 30113 [2022-07-12 16:09:26,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:09:26,701 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 5359 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 2813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5664 SdHoareTripleChecker+Valid, 5704 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2813 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:26,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5664 Valid, 5704 Invalid, 4471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2813 Valid, 1658 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-12 16:09:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30113 states. [2022-07-12 16:09:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30113 to 28793. [2022-07-12 16:09:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28793 states, 20435 states have (on average 1.286469292879863) internal successors, (26289), 20828 states have internal predecessors, (26289), 6736 states have call successors, (6736), 1604 states have call predecessors, (6736), 1621 states have return successors, (6776), 6584 states have call predecessors, (6776), 6736 states have call successors, (6776) [2022-07-12 16:09:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28793 states to 28793 states and 39801 transitions. [2022-07-12 16:09:27,923 INFO L78 Accepts]: Start accepts. Automaton has 28793 states and 39801 transitions. Word has length 487 [2022-07-12 16:09:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:27,924 INFO L495 AbstractCegarLoop]: Abstraction has 28793 states and 39801 transitions. [2022-07-12 16:09:27,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-12 16:09:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 28793 states and 39801 transitions. [2022-07-12 16:09:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-12 16:09:27,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:27,945 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 11, 11, 11, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:09:27,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:09:27,946 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:27,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1849552496, now seen corresponding path program 1 times [2022-07-12 16:09:27,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:09:27,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741369498] [2022-07-12 16:09:27,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:27,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:09:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:09:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:09:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:09:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:09:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:09:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:09:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:09:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:09:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:09:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:09:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:09:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:09:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:09:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:09:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:09:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:09:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:09:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:09:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:09:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:09:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:09:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:09:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:09:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:09:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:09:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:09:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:09:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:09:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 16:09:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 16:09:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:09:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 16:09:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:09:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:09:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:09:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:09:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:09:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 16:09:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:09:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:09:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:09:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 16:09:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 16:09:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 16:09:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2022-07-12 16:09:28,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:09:28,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741369498] [2022-07-12 16:09:28,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741369498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:28,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:28,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:09:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334950685] [2022-07-12 16:09:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:28,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:09:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:09:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:09:28,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:09:28,662 INFO L87 Difference]: Start difference. First operand 28793 states and 39801 transitions. Second operand has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-12 16:09:38,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:41,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:43,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:09:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:48,564 INFO L93 Difference]: Finished difference Result 65139 states and 90484 transitions. [2022-07-12 16:09:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:09:48,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 461 [2022-07-12 16:09:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:48,716 INFO L225 Difference]: With dead ends: 65139 [2022-07-12 16:09:48,716 INFO L226 Difference]: Without dead ends: 36377 [2022-07-12 16:09:48,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:09:48,827 INFO L413 NwaCegarLoop]: 4837 mSDtfsCounter, 5292 mSDsluCounter, 6677 mSDsCounter, 0 mSdLazyCounter, 6408 mSolverCounterSat, 4114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5674 SdHoareTripleChecker+Valid, 11514 SdHoareTripleChecker+Invalid, 10522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4114 IncrementalHoareTripleChecker+Valid, 6408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:48,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5674 Valid, 11514 Invalid, 10522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4114 Valid, 6408 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2022-07-12 16:09:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36377 states. [2022-07-12 16:09:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36377 to 33197. [2022-07-12 16:09:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33197 states, 23559 states have (on average 1.2859204550278025) internal successors, (30295), 24016 states have internal predecessors, (30295), 7758 states have call successors, (7758), 1862 states have call predecessors, (7758), 1879 states have return successors, (7798), 7580 states have call predecessors, (7798), 7758 states have call successors, (7798) [2022-07-12 16:09:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33197 states to 33197 states and 45851 transitions. [2022-07-12 16:09:50,049 INFO L78 Accepts]: Start accepts. Automaton has 33197 states and 45851 transitions. Word has length 461 [2022-07-12 16:09:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:50,050 INFO L495 AbstractCegarLoop]: Abstraction has 33197 states and 45851 transitions. [2022-07-12 16:09:50,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-12 16:09:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 33197 states and 45851 transitions. [2022-07-12 16:09:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-12 16:09:50,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:50,074 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 11, 11, 11, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:09:50,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:09:50,074 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:50,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1974058450, now seen corresponding path program 1 times [2022-07-12 16:09:50,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:09:50,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006507150] [2022-07-12 16:09:50,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:09:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:09:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:09:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:09:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:09:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:09:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:09:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:09:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:09:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:09:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:09:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:09:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:09:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:09:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:09:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:09:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:09:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:09:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:09:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:09:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:09:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:09:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:09:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:09:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:09:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:09:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:09:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:09:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:09:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:09:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 16:09:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 16:09:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:09:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 16:09:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:09:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:09:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:09:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:09:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:09:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 16:09:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:09:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:09:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:09:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 16:09:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:09:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 16:09:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 16:09:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2022-07-12 16:09:50,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:09:50,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006507150] [2022-07-12 16:09:50,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006507150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:50,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:50,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:09:50,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116312957] [2022-07-12 16:09:50,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:50,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:09:50,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:09:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:09:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:09:50,782 INFO L87 Difference]: Start difference. First operand 33197 states and 45851 transitions. Second operand has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-12 16:09:56,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:10:02,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:10:08,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:10:08,210 INFO L93 Difference]: Finished difference Result 74239 states and 103044 transitions. [2022-07-12 16:10:08,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 16:10:08,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 461 [2022-07-12 16:10:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:10:08,340 INFO L225 Difference]: With dead ends: 74239 [2022-07-12 16:10:08,341 INFO L226 Difference]: Without dead ends: 41073 [2022-07-12 16:10:08,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-12 16:10:08,411 INFO L413 NwaCegarLoop]: 5407 mSDtfsCounter, 5161 mSDsluCounter, 7781 mSDsCounter, 0 mSdLazyCounter, 6526 mSolverCounterSat, 3669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5540 SdHoareTripleChecker+Valid, 13188 SdHoareTripleChecker+Invalid, 10195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3669 IncrementalHoareTripleChecker+Valid, 6526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:10:08,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5540 Valid, 13188 Invalid, 10195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3669 Valid, 6526 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-07-12 16:10:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41073 states. [2022-07-12 16:10:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41073 to 37553. [2022-07-12 16:10:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37553 states, 26643 states have (on average 1.2856284952895696) internal successors, (34253), 27164 states have internal predecessors, (34253), 8776 states have call successors, (8776), 2116 states have call predecessors, (8776), 2133 states have return successors, (8816), 8572 states have call predecessors, (8816), 8776 states have call successors, (8816) [2022-07-12 16:10:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37553 states to 37553 states and 51845 transitions. [2022-07-12 16:10:09,778 INFO L78 Accepts]: Start accepts. Automaton has 37553 states and 51845 transitions. Word has length 461 [2022-07-12 16:10:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:10:09,779 INFO L495 AbstractCegarLoop]: Abstraction has 37553 states and 51845 transitions. [2022-07-12 16:10:09,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-12 16:10:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 37553 states and 51845 transitions. [2022-07-12 16:10:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-07-12 16:10:09,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:10:09,799 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-12 16:10:09,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 16:10:09,800 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:10:09,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:10:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash -101053771, now seen corresponding path program 1 times [2022-07-12 16:10:09,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:10:09,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831249540] [2022-07-12 16:10:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:10:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:10:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:10:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:10:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:10:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:10:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:10:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:10:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:10:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:10:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:10:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:10:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:10:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:10:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:10:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:10:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:10:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:10:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:10:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:10:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:10:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:10:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:10:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:10:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:10:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:10:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:10:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:10:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:10:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:10:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:10:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 16:10:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 16:10:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:10:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 16:10:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:10:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:10:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:10:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 16:10:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:10:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:10:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:10:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 16:10:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 16:10:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:10:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:10:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 16:10:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 16:10:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:10:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 16:10:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-12 16:10:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:10:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2022-07-12 16:10:10,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:10:10,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831249540] [2022-07-12 16:10:10,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831249540] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:10:10,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:10:10,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:10:10,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571817204] [2022-07-12 16:10:10,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:10:10,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:10:10,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:10:10,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:10:10,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:10:10,591 INFO L87 Difference]: Start difference. First operand 37553 states and 51845 transitions. Second operand has 6 states, 5 states have (on average 34.0) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (54), 5 states have call predecessors, (54), 1 states have return successors, (48), 2 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-12 16:10:14,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:10:16,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []