./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:51:09,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:51:09,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:51:09,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:51:09,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:51:09,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:51:09,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:51:09,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:51:09,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:51:09,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:51:09,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:51:09,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:51:09,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:51:09,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:51:09,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:51:09,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:51:09,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:51:09,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:51:09,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:51:09,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:51:09,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:51:09,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:51:09,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:51:09,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:51:09,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:51:09,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:51:09,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:51:09,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:51:09,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:51:09,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:51:09,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:51:09,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:51:09,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:51:09,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:51:09,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:51:09,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:51:09,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:51:09,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:51:09,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:51:09,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:51:09,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:51:09,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:51:09,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:51:09,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:51:09,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:51:09,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:51:09,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:51:09,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:51:09,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:51:09,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:51:09,975 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:51:09,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:51:09,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:51:09,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:51:09,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:51:09,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:51:09,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:51:09,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:51:09,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:51:09,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:51:09,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:51:09,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:51:09,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:51:09,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2021-12-14 18:51:10,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:51:10,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:51:10,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:51:10,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:51:10,188 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:51:10,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2021-12-14 18:51:10,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b468d603f/c1d5614cdb3d4fb190b8eecf4a01c813/FLAG595d93182 [2021-12-14 18:51:10,834 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:51:10,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2021-12-14 18:51:10,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b468d603f/c1d5614cdb3d4fb190b8eecf4a01c813/FLAG595d93182 [2021-12-14 18:51:11,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b468d603f/c1d5614cdb3d4fb190b8eecf4a01c813 [2021-12-14 18:51:11,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:51:11,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:51:11,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:51:11,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:51:11,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:51:11,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:11" (1/1) ... [2021-12-14 18:51:11,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585b26f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:11, skipping insertion in model container [2021-12-14 18:51:11,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:11" (1/1) ... [2021-12-14 18:51:11,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:51:11,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:51:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2021-12-14 18:51:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2021-12-14 18:51:12,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:51:12,820 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:51:13,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2021-12-14 18:51:13,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2021-12-14 18:51:13,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:51:13,197 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:51:13,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13 WrapperNode [2021-12-14 18:51:13,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:51:13,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:51:13,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:51:13,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:51:13,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,391 INFO L137 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4161 [2021-12-14 18:51:13,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:51:13,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:51:13,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:51:13,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:51:13,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:51:13,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:51:13,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:51:13,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:51:13,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (1/1) ... [2021-12-14 18:51:13,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:51:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:51:13,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:51:13,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:51:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-12-14 18:51:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-12-14 18:51:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:51:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:51:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:51:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:51:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:51:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:51:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2021-12-14 18:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2021-12-14 18:51:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2021-12-14 18:51:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2021-12-14 18:51:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:51:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:51:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:51:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:51:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:51:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:51:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:51:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:51:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:51:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:51:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:51:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:51:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:51:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:51:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:51:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2021-12-14 18:51:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2021-12-14 18:51:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:51:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:51:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:51:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:51:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:51:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:51:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:51:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:51:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2021-12-14 18:51:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2021-12-14 18:51:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2021-12-14 18:51:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2021-12-14 18:51:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:51:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2021-12-14 18:51:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2021-12-14 18:51:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:51:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:51:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:51:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:51:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:51:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:51:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:51:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:51:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:51:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:51:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:51:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:51:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2021-12-14 18:51:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2021-12-14 18:51:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2021-12-14 18:51:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2021-12-14 18:51:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:51:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:51:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:51:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:51:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:51:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:51:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2021-12-14 18:51:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2021-12-14 18:51:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:51:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:51:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:51:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:51:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:51:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:51:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:51:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:51:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:51:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:51:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:51:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:51:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:51:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:51:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:51:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:51:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:51:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:51:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:51:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-14 18:51:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-14 18:51:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:51:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:51:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2021-12-14 18:51:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2021-12-14 18:51:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2021-12-14 18:51:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2021-12-14 18:51:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:51:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:51:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:51:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:51:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:51:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:51:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2021-12-14 18:51:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2021-12-14 18:51:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:51:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:51:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:51:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:51:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:51:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:51:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:51:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:51:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:51:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:51:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2021-12-14 18:51:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2021-12-14 18:51:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2021-12-14 18:51:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2021-12-14 18:51:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:51:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:51:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:51:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:51:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:51:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:51:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2021-12-14 18:51:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:51:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2021-12-14 18:51:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2021-12-14 18:51:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2021-12-14 18:51:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2021-12-14 18:51:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:51:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2021-12-14 18:51:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2021-12-14 18:51:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2021-12-14 18:51:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:51:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:51:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:51:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:51:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:51:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:51:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2021-12-14 18:51:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2021-12-14 18:51:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:51:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:51:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:51:14,172 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:51:14,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:51:14,414 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:51:15,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:51:15,926 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:51:15,938 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:51:15,938 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:51:15,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:15 BoogieIcfgContainer [2021-12-14 18:51:15,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:51:15,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:51:15,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:51:15,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:51:15,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:51:11" (1/3) ... [2021-12-14 18:51:15,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd5363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:51:15, skipping insertion in model container [2021-12-14 18:51:15,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:13" (2/3) ... [2021-12-14 18:51:15,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd5363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:51:15, skipping insertion in model container [2021-12-14 18:51:15,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:15" (3/3) ... [2021-12-14 18:51:15,946 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2021-12-14 18:51:15,950 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:51:15,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:51:15,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:51:15,990 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:51:15,990 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:51:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 1507 states, 1037 states have (on average 1.296046287367406) internal successors, (1344), 1058 states have internal predecessors, (1344), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2021-12-14 18:51:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-14 18:51:16,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:16,069 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:16,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:16,074 INFO L85 PathProgramCache]: Analyzing trace with hash -357466125, now seen corresponding path program 1 times [2021-12-14 18:51:16,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:16,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983976402] [2021-12-14 18:51:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:16,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-14 18:51:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:51:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:51:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-14 18:51:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:51:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:51:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:51:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:51:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:51:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-12-14 18:51:16,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:16,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983976402] [2021-12-14 18:51:16,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983976402] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:16,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:16,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:16,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369924415] [2021-12-14 18:51:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:16,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:16,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:16,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:16,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:16,762 INFO L87 Difference]: Start difference. First operand has 1507 states, 1037 states have (on average 1.296046287367406) internal successors, (1344), 1058 states have internal predecessors, (1344), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:20,375 INFO L93 Difference]: Finished difference Result 4674 states and 6702 transitions. [2021-12-14 18:51:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2021-12-14 18:51:20,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:20,409 INFO L225 Difference]: With dead ends: 4674 [2021-12-14 18:51:20,410 INFO L226 Difference]: Without dead ends: 3107 [2021-12-14 18:51:20,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:20,429 INFO L933 BasicCegarLoop]: 2121 mSDtfsCounter, 4146 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 2752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2752 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:20,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4377 Valid, 4860 Invalid, 4976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2752 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-14 18:51:20,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-12-14 18:51:20,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2841. [2021-12-14 18:51:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 1987 states have (on average 1.2939104177151484) internal successors, (2571), 2030 states have internal predecessors, (2571), 702 states have call successors, (702), 152 states have call predecessors, (702), 151 states have return successors, (706), 686 states have call predecessors, (706), 702 states have call successors, (706) [2021-12-14 18:51:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3979 transitions. [2021-12-14 18:51:20,649 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3979 transitions. Word has length 185 [2021-12-14 18:51:20,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:20,651 INFO L470 AbstractCegarLoop]: Abstraction has 2841 states and 3979 transitions. [2021-12-14 18:51:20,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3979 transitions. [2021-12-14 18:51:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-14 18:51:20,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:20,666 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:20,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:51:20,666 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:20,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash -309020092, now seen corresponding path program 1 times [2021-12-14 18:51:20,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:20,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604947191] [2021-12-14 18:51:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:20,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:51:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:51:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 18:51:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-14 18:51:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 18:51:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:51:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 18:51:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:51:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:51:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-14 18:51:20,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:20,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604947191] [2021-12-14 18:51:20,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604947191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:20,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:20,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:20,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295803372] [2021-12-14 18:51:20,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:20,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:20,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:20,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:20,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:20,938 INFO L87 Difference]: Start difference. First operand 2841 states and 3979 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:24,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:24,409 INFO L93 Difference]: Finished difference Result 8702 states and 12266 transitions. [2021-12-14 18:51:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 197 [2021-12-14 18:51:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:24,439 INFO L225 Difference]: With dead ends: 8702 [2021-12-14 18:51:24,439 INFO L226 Difference]: Without dead ends: 5884 [2021-12-14 18:51:24,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:24,453 INFO L933 BasicCegarLoop]: 2024 mSDtfsCounter, 3840 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 2510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4046 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 4642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2510 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:24,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4046 Valid, 4680 Invalid, 4642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2510 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 18:51:24,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2021-12-14 18:51:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5355. [2021-12-14 18:51:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5355 states, 3730 states have (on average 1.2943699731903486) internal successors, (4828), 3813 states have internal predecessors, (4828), 1330 states have call successors, (1330), 298 states have call predecessors, (1330), 294 states have return successors, (1338), 1293 states have call predecessors, (1338), 1330 states have call successors, (1338) [2021-12-14 18:51:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 7496 transitions. [2021-12-14 18:51:24,640 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 7496 transitions. Word has length 197 [2021-12-14 18:51:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:24,642 INFO L470 AbstractCegarLoop]: Abstraction has 5355 states and 7496 transitions. [2021-12-14 18:51:24,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 7496 transitions. [2021-12-14 18:51:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-14 18:51:24,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:24,647 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:24,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:51:24,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:24,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:24,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1627556199, now seen corresponding path program 1 times [2021-12-14 18:51:24,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:24,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022958313] [2021-12-14 18:51:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:24,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 18:51:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:51:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:51:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 18:51:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:51:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 18:51:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 18:51:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:51:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 18:51:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-14 18:51:25,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:25,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022958313] [2021-12-14 18:51:25,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022958313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:25,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:25,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 18:51:25,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404600957] [2021-12-14 18:51:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:25,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 18:51:25,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 18:51:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:51:25,006 INFO L87 Difference]: Start difference. First operand 5355 states and 7496 transitions. Second operand has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:30,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:30,648 INFO L93 Difference]: Finished difference Result 18732 states and 26346 transitions. [2021-12-14 18:51:30,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-14 18:51:30,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2021-12-14 18:51:30,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:30,715 INFO L225 Difference]: With dead ends: 18732 [2021-12-14 18:51:30,715 INFO L226 Difference]: Without dead ends: 13400 [2021-12-14 18:51:30,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-12-14 18:51:30,741 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 7637 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 4530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8044 SdHoareTripleChecker+Valid, 6584 SdHoareTripleChecker+Invalid, 9255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4530 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:30,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8044 Valid, 6584 Invalid, 9255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4530 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-14 18:51:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13400 states. [2021-12-14 18:51:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13400 to 12050. [2021-12-14 18:51:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12050 states, 8494 states have (on average 1.3022133270543914) internal successors, (11061), 8654 states have internal predecessors, (11061), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-14 18:51:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12050 states to 12050 states and 16787 transitions. [2021-12-14 18:51:31,173 INFO L78 Accepts]: Start accepts. Automaton has 12050 states and 16787 transitions. Word has length 196 [2021-12-14 18:51:31,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:31,173 INFO L470 AbstractCegarLoop]: Abstraction has 12050 states and 16787 transitions. [2021-12-14 18:51:31,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:51:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12050 states and 16787 transitions. [2021-12-14 18:51:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-14 18:51:31,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:31,183 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-14 18:51:31,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:51:31,183 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1293553422, now seen corresponding path program 1 times [2021-12-14 18:51:31,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:31,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414578976] [2021-12-14 18:51:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:31,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-14 18:51:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:51:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:51:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:51:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 18:51:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:51:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 18:51:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:51:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 18:51:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:51:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:51:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:51:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-14 18:51:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:51:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:51:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:51:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 18:51:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-14 18:51:31,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:31,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414578976] [2021-12-14 18:51:31,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414578976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:31,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:31,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:31,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396031265] [2021-12-14 18:51:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:31,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:31,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:31,583 INFO L87 Difference]: Start difference. First operand 12050 states and 16787 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:35,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:35,210 INFO L93 Difference]: Finished difference Result 38764 states and 54900 transitions. [2021-12-14 18:51:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:35,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-14 18:51:35,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:35,319 INFO L225 Difference]: With dead ends: 38764 [2021-12-14 18:51:35,319 INFO L226 Difference]: Without dead ends: 26737 [2021-12-14 18:51:35,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:35,375 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 3375 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 2321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 6059 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2321 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:35,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3611 Valid, 6059 Invalid, 4596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2321 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 18:51:35,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26737 states. [2021-12-14 18:51:36,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26737 to 24075. [2021-12-14 18:51:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24075 states, 16973 states have (on average 1.2904613209214635) internal successors, (21903), 17293 states have internal predecessors, (21903), 5709 states have call successors, (5709), 1410 states have call predecessors, (5709), 1392 states have return successors, (5913), 5577 states have call predecessors, (5913), 5709 states have call successors, (5913) [2021-12-14 18:51:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24075 states to 24075 states and 33525 transitions. [2021-12-14 18:51:36,445 INFO L78 Accepts]: Start accepts. Automaton has 24075 states and 33525 transitions. Word has length 293 [2021-12-14 18:51:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:36,447 INFO L470 AbstractCegarLoop]: Abstraction has 24075 states and 33525 transitions. [2021-12-14 18:51:36,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 24075 states and 33525 transitions. [2021-12-14 18:51:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-14 18:51:36,459 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:36,459 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-14 18:51:36,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:51:36,460 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:36,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1383613712, now seen corresponding path program 1 times [2021-12-14 18:51:36,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:36,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455111211] [2021-12-14 18:51:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:36,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-14 18:51:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:51:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:51:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:51:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 18:51:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:51:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 18:51:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:51:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 18:51:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:51:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:51:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:51:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-14 18:51:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:51:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:51:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:51:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 18:51:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-14 18:51:36,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:36,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455111211] [2021-12-14 18:51:36,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455111211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:36,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:36,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:36,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435896454] [2021-12-14 18:51:36,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:36,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:36,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:36,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:36,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:36,931 INFO L87 Difference]: Start difference. First operand 24075 states and 33525 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:38,705 INFO L93 Difference]: Finished difference Result 37432 states and 52061 transitions. [2021-12-14 18:51:38,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:51:38,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-14 18:51:38,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:38,752 INFO L225 Difference]: With dead ends: 37432 [2021-12-14 18:51:38,752 INFO L226 Difference]: Without dead ends: 13380 [2021-12-14 18:51:38,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:51:38,804 INFO L933 BasicCegarLoop]: 1836 mSDtfsCounter, 2823 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 1550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1550 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:38,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3001 Valid, 3230 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1550 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-14 18:51:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13380 states. [2021-12-14 18:51:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13380 to 12050. [2021-12-14 18:51:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12050 states, 8494 states have (on average 1.2767836119613845) internal successors, (10845), 8654 states have internal predecessors, (10845), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-14 18:51:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12050 states to 12050 states and 16571 transitions. [2021-12-14 18:51:39,231 INFO L78 Accepts]: Start accepts. Automaton has 12050 states and 16571 transitions. Word has length 293 [2021-12-14 18:51:39,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:39,231 INFO L470 AbstractCegarLoop]: Abstraction has 12050 states and 16571 transitions. [2021-12-14 18:51:39,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 12050 states and 16571 transitions. [2021-12-14 18:51:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-14 18:51:39,239 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:39,239 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-14 18:51:39,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:51:39,239 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:39,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:39,240 INFO L85 PathProgramCache]: Analyzing trace with hash 693782222, now seen corresponding path program 1 times [2021-12-14 18:51:39,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:39,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801150079] [2021-12-14 18:51:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:39,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-14 18:51:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:51:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:51:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:51:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 18:51:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:51:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 18:51:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:51:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 18:51:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:51:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:51:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:51:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-14 18:51:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:51:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:51:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:51:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 18:51:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-14 18:51:39,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:39,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801150079] [2021-12-14 18:51:39,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801150079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:39,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:39,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:39,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164670828] [2021-12-14 18:51:39,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:39,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:39,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:39,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:39,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:39,521 INFO L87 Difference]: Start difference. First operand 12050 states and 16571 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:41,440 INFO L93 Difference]: Finished difference Result 25395 states and 35083 transitions. [2021-12-14 18:51:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:51:41,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-14 18:51:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:41,483 INFO L225 Difference]: With dead ends: 25395 [2021-12-14 18:51:41,484 INFO L226 Difference]: Without dead ends: 13368 [2021-12-14 18:51:41,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:51:41,510 INFO L933 BasicCegarLoop]: 1821 mSDtfsCounter, 2820 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2998 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1562 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:41,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2998 Valid, 3195 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1562 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 18:51:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13368 states. [2021-12-14 18:51:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13368 to 12038. [2021-12-14 18:51:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12038 states, 8482 states have (on average 1.2715161518509785) internal successors, (10785), 8642 states have internal predecessors, (10785), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-14 18:51:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12038 states to 12038 states and 16511 transitions. [2021-12-14 18:51:41,953 INFO L78 Accepts]: Start accepts. Automaton has 12038 states and 16511 transitions. Word has length 293 [2021-12-14 18:51:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:41,954 INFO L470 AbstractCegarLoop]: Abstraction has 12038 states and 16511 transitions. [2021-12-14 18:51:41,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-14 18:51:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12038 states and 16511 transitions. [2021-12-14 18:51:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-12-14 18:51:41,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:41,964 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-14 18:51:41,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:51:41,964 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:41,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:41,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1379355104, now seen corresponding path program 1 times [2021-12-14 18:51:41,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:41,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621460748] [2021-12-14 18:51:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:41,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:51:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:51:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:51:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:51:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:51:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:51:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:51:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-14 18:51:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-14 18:51:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-14 18:51:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:51:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:51:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 18:51:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:51:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-14 18:51:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-14 18:51:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:51:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2021-12-14 18:51:42,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:42,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621460748] [2021-12-14 18:51:42,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621460748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:42,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:42,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:42,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903421998] [2021-12-14 18:51:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:42,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:42,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:42,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:42,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:42,310 INFO L87 Difference]: Start difference. First operand 12038 states and 16511 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-14 18:51:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:45,201 INFO L93 Difference]: Finished difference Result 29073 states and 40103 transitions. [2021-12-14 18:51:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:45,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 296 [2021-12-14 18:51:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:45,256 INFO L225 Difference]: With dead ends: 29073 [2021-12-14 18:51:45,257 INFO L226 Difference]: Without dead ends: 17058 [2021-12-14 18:51:45,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:45,290 INFO L933 BasicCegarLoop]: 2982 mSDtfsCounter, 2336 mSDsluCounter, 3463 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 6445 SdHoareTripleChecker+Invalid, 3700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:45,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2488 Valid, 6445 Invalid, 3700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1652 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:51:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17058 states. [2021-12-14 18:51:45,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17058 to 15319. [2021-12-14 18:51:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15319 states, 10819 states have (on average 1.272576023662076) internal successors, (13768), 11017 states have internal predecessors, (13768), 3605 states have call successors, (3605), 903 states have call predecessors, (3605), 894 states have return successors, (3613), 3527 states have call predecessors, (3613), 3605 states have call successors, (3613) [2021-12-14 18:51:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15319 states to 15319 states and 20986 transitions. [2021-12-14 18:51:45,885 INFO L78 Accepts]: Start accepts. Automaton has 15319 states and 20986 transitions. Word has length 296 [2021-12-14 18:51:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:45,886 INFO L470 AbstractCegarLoop]: Abstraction has 15319 states and 20986 transitions. [2021-12-14 18:51:45,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-14 18:51:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 15319 states and 20986 transitions. [2021-12-14 18:51:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-14 18:51:45,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:45,897 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:45,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 18:51:45,897 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:45,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash -132410342, now seen corresponding path program 1 times [2021-12-14 18:51:45,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:45,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811928318] [2021-12-14 18:51:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:45,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:51:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:51:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:51:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:51:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:51:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:51:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:51:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:51:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:51:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:51:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-14 18:51:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:51:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-14 18:51:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:51:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-14 18:51:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:51:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:51:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-14 18:51:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-14 18:51:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:51:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:51:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-14 18:51:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-14 18:51:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-14 18:51:46,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:46,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811928318] [2021-12-14 18:51:46,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811928318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:46,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:46,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:46,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928490325] [2021-12-14 18:51:46,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:46,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:46,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:46,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:46,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:46,242 INFO L87 Difference]: Start difference. First operand 15319 states and 20986 transitions. Second operand has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-14 18:51:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:49,381 INFO L93 Difference]: Finished difference Result 36006 states and 49585 transitions. [2021-12-14 18:51:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:49,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 370 [2021-12-14 18:51:49,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:49,460 INFO L225 Difference]: With dead ends: 36006 [2021-12-14 18:51:49,460 INFO L226 Difference]: Without dead ends: 20710 [2021-12-14 18:51:49,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:49,514 INFO L933 BasicCegarLoop]: 2981 mSDtfsCounter, 2333 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 1637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2486 SdHoareTripleChecker+Valid, 6451 SdHoareTripleChecker+Invalid, 3666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:49,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2486 Valid, 6451 Invalid, 3666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1637 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:51:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20710 states. [2021-12-14 18:51:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20710 to 18568. [2021-12-14 18:51:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18568 states, 13136 states have (on average 1.2736753958587088) internal successors, (16731), 13372 states have internal predecessors, (16731), 4339 states have call successors, (4339), 1101 states have call predecessors, (4339), 1092 states have return successors, (4347), 4249 states have call predecessors, (4347), 4339 states have call successors, (4347) [2021-12-14 18:51:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18568 states to 18568 states and 25417 transitions. [2021-12-14 18:51:50,288 INFO L78 Accepts]: Start accepts. Automaton has 18568 states and 25417 transitions. Word has length 370 [2021-12-14 18:51:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:50,289 INFO L470 AbstractCegarLoop]: Abstraction has 18568 states and 25417 transitions. [2021-12-14 18:51:50,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-14 18:51:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 18568 states and 25417 transitions. [2021-12-14 18:51:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-14 18:51:50,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:50,300 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:50,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 18:51:50,300 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:50,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash 355636764, now seen corresponding path program 1 times [2021-12-14 18:51:50,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:50,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093894813] [2021-12-14 18:51:50,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:50,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:51:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:51:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:51:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:51:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:51:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:51:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:51:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:51:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:51:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:51:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:51:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-14 18:51:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:51:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-14 18:51:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:51:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-14 18:51:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:51:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:51:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-14 18:51:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-14 18:51:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:51:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:51:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-14 18:51:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-14 18:51:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-14 18:51:50,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:50,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093894813] [2021-12-14 18:51:50,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093894813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:50,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:50,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:51:50,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438205011] [2021-12-14 18:51:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:50,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:51:50,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:50,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:51:50,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:51:50,619 INFO L87 Difference]: Start difference. First operand 18568 states and 25417 transitions. Second operand has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-14 18:51:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:51:53,793 INFO L93 Difference]: Finished difference Result 43071 states and 59265 transitions. [2021-12-14 18:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:51:53,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 370 [2021-12-14 18:51:53,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:51:53,871 INFO L225 Difference]: With dead ends: 43071 [2021-12-14 18:51:53,872 INFO L226 Difference]: Without dead ends: 24526 [2021-12-14 18:51:53,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:51:53,928 INFO L933 BasicCegarLoop]: 3024 mSDtfsCounter, 2677 mSDsluCounter, 3256 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 1733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 6280 SdHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1733 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:51:53,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2877 Valid, 6280 Invalid, 3785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1733 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:51:53,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24526 states. [2021-12-14 18:51:54,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24526 to 21981. [2021-12-14 18:51:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21981 states, 15568 states have (on average 1.2731243576567317) internal successors, (19820), 15845 states have internal predecessors, (19820), 5115 states have call successors, (5115), 1306 states have call predecessors, (5115), 1297 states have return successors, (5123), 5011 states have call predecessors, (5123), 5115 states have call successors, (5123) [2021-12-14 18:51:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21981 states to 21981 states and 30058 transitions. [2021-12-14 18:51:54,646 INFO L78 Accepts]: Start accepts. Automaton has 21981 states and 30058 transitions. Word has length 370 [2021-12-14 18:51:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:51:54,647 INFO L470 AbstractCegarLoop]: Abstraction has 21981 states and 30058 transitions. [2021-12-14 18:51:54,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-14 18:51:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 21981 states and 30058 transitions. [2021-12-14 18:51:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-12-14 18:51:54,657 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:51:54,657 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:51:54,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 18:51:54,658 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:51:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:51:54,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1778842534, now seen corresponding path program 1 times [2021-12-14 18:51:54,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:51:54,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097062962] [2021-12-14 18:51:54,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:51:54,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:51:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:51:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:51:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:51:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:51:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:51:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:51:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:51:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:51:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:51:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:51:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:51:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:51:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:51:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:51:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:51:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-14 18:51:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:51:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:51:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:51:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:51:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 18:51:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 18:51:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 18:51:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:51:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:51:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 18:51:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:51:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 18:51:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:51:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-14 18:51:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-14 18:51:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-14 18:51:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:51:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:51:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:51:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:51:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:51:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:51:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:51:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:51:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-14 18:51:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:51:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-14 18:51:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:51:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:51:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:51:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-14 18:51:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-14 18:51:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-14 18:51:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-14 18:51:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-14 18:51:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:51:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2021-12-14 18:51:55,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:51:55,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097062962] [2021-12-14 18:51:55,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097062962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:51:55,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:51:55,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:51:55,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665586007] [2021-12-14 18:51:55,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:51:55,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:51:55,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:51:55,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:51:55,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:51:55,105 INFO L87 Difference]: Start difference. First operand 21981 states and 30058 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2021-12-14 18:52:00,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:00,381 INFO L93 Difference]: Finished difference Result 64680 states and 88872 transitions. [2021-12-14 18:52:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-14 18:52:00,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 401 [2021-12-14 18:52:00,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:00,521 INFO L225 Difference]: With dead ends: 64680 [2021-12-14 18:52:00,521 INFO L226 Difference]: Without dead ends: 42722 [2021-12-14 18:52:00,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-14 18:52:00,593 INFO L933 BasicCegarLoop]: 2352 mSDtfsCounter, 4155 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 3036 mSolverCounterSat, 3332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 5818 SdHoareTripleChecker+Invalid, 6368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3332 IncrementalHoareTripleChecker+Valid, 3036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:00,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4357 Valid, 5818 Invalid, 6368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3332 Valid, 3036 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-14 18:52:00,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42722 states. [2021-12-14 18:52:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42722 to 36949. [2021-12-14 18:52:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36949 states, 26329 states have (on average 1.2656006684644308) internal successors, (33322), 26820 states have internal predecessors, (33322), 8341 states have call successors, (8341), 2303 states have call predecessors, (8341), 2278 states have return successors, (8357), 8123 states have call predecessors, (8357), 8341 states have call successors, (8357) [2021-12-14 18:52:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36949 states to 36949 states and 50020 transitions. [2021-12-14 18:52:02,358 INFO L78 Accepts]: Start accepts. Automaton has 36949 states and 50020 transitions. Word has length 401 [2021-12-14 18:52:02,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:02,359 INFO L470 AbstractCegarLoop]: Abstraction has 36949 states and 50020 transitions. [2021-12-14 18:52:02,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2021-12-14 18:52:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 36949 states and 50020 transitions. [2021-12-14 18:52:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-12-14 18:52:02,371 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:02,372 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:02,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 18:52:02,372 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:02,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:02,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1982110651, now seen corresponding path program 1 times [2021-12-14 18:52:02,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:02,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760752257] [2021-12-14 18:52:02,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:02,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:52:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 18:52:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-14 18:52:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-14 18:52:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:52:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-14 18:52:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:52:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:52:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:52:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 18:52:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:52:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:52:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:52:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 18:52:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 18:52:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 18:52:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:52:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 18:52:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:52:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-14 18:52:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:52:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-14 18:52:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:52:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:52:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:52:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:52:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-14 18:52:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-14 18:52:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 18:52:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:52:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-14 18:52:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:52:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-14 18:52:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 18:52:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-14 18:52:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-14 18:52:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-14 18:52:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-12-14 18:52:02,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:02,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760752257] [2021-12-14 18:52:02,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760752257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:02,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:02,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:52:02,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417555538] [2021-12-14 18:52:02,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:02,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:52:02,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:02,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:52:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:52:02,696 INFO L87 Difference]: Start difference. First operand 36949 states and 50020 transitions. Second operand has 6 states, 5 states have (on average 30.6) internal successors, (153), 3 states have internal predecessors, (153), 4 states have call successors, (59), 5 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55)