./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-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-ti-tlan.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 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:15:42,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:15:42,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:15:42,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:15:42,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:15:42,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:15:42,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:15:42,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:15:42,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:15:42,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:15:42,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:15:42,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:15:42,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:15:42,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:15:42,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:15:42,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:15:42,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:15:42,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:15:42,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:15:42,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:15:42,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:15:42,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:15:42,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:15:42,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:15:42,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:15:42,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:15:42,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:15:42,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:15:42,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:15:42,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:15:42,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:15:42,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:15:42,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:15:42,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:15:42,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:15:42,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:15:42,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:15:42,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:15:42,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:15:42,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:15:42,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:15:42,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:15:43,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:15:43,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:15:43,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:15:43,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:15:43,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:15:43,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:15:43,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:15:43,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:15:43,010 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:15:43,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:15:43,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:15:43,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:15:43,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:15:43,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:15:43,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:15:43,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:15:43,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:15:43,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:15:43,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:15:43,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:15:43,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf [2021-11-17 10:15:43,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:15:43,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:15:43,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:15:43,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:15:43,244 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:15:43,245 INFO L432 ainManager$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-ti-tlan.cil.i [2021-11-17 10:15:43,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8e91bc1/fa5b7386c49845cbbd829b8c95f5a6ed/FLAG1e989e335 [2021-11-17 10:15:43,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:15:43,911 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-ti-tlan.cil.i [2021-11-17 10:15:43,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8e91bc1/fa5b7386c49845cbbd829b8c95f5a6ed/FLAG1e989e335 [2021-11-17 10:15:44,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8e91bc1/fa5b7386c49845cbbd829b8c95f5a6ed [2021-11-17 10:15:44,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:15:44,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:15:44,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:15:44,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:15:44,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:15:44,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:15:44" (1/1) ... [2021-11-17 10:15:44,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766815bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:44, skipping insertion in model container [2021-11-17 10:15:44,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:15:44" (1/1) ... [2021-11-17 10:15:44,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:15:44,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:15:46,622 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-ti-tlan.cil.i[345848,345861] [2021-11-17 10:15:46,625 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-ti-tlan.cil.i[345993,346006] [2021-11-17 10:15:46,665 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:15:46,708 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:15:47,014 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-ti-tlan.cil.i[345848,345861] [2021-11-17 10:15:47,015 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-ti-tlan.cil.i[345993,346006] [2021-11-17 10:15:47,019 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:15:47,130 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:15:47,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47 WrapperNode [2021-11-17 10:15:47,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:15:47,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:15:47,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:15:47,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:15:47,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,360 INFO L137 Inliner]: procedures = 442, calls = 2346, calls flagged for inlining = 211, calls inlined = 196, statements flattened = 5332 [2021-11-17 10:15:47,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:15:47,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:15:47,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:15:47,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:15:47,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:15:47,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:15:47,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:15:47,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:15:47,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (1/1) ... [2021-11-17 10:15:47,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:15:47,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:15:47,663 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) [2021-11-17 10:15:47,682 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 [2021-11-17 10:15:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-11-17 10:15:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-11-17 10:15:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 10:15:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 10:15:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:15:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:15:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 10:15:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 10:15:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-11-17 10:15:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-11-17 10:15:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-11-17 10:15:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-11-17 10:15:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:15:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:15:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-11-17 10:15:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-11-17 10:15:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:15:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:15:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2021-11-17 10:15:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2021-11-17 10:15:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-11-17 10:15:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-11-17 10:15:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-11-17 10:15:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-11-17 10:15:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:15:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:15:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:15:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:15:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:15:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:15:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:15:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:15:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 10:15:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 10:15:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:15:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:15:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:15:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-11-17 10:15:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-11-17 10:15:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2021-11-17 10:15:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2021-11-17 10:15:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:15:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:15:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-11-17 10:15:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-11-17 10:15:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 10:15:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 10:15:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2021-11-17 10:15:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2021-11-17 10:15:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-11-17 10:15:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-11-17 10:15:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-11-17 10:15:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-11-17 10:15:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:15:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:15:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:15:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:15:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:15:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:15:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:15:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:15:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:15:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:15:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:15:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 10:15:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 10:15:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-11-17 10:15:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-11-17 10:15:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-11-17 10:15:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-11-17 10:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 10:15:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 10:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:15:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-11-17 10:15:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-11-17 10:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-11-17 10:15:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-11-17 10:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-11-17 10:15:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-11-17 10:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-11-17 10:15:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-11-17 10:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-11-17 10:15:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-11-17 10:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:15:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:15:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-11-17 10:15:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-11-17 10:15:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:15:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:15:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:15:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 10:15:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 10:15:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:15:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 10:15:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:15:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:15:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-11-17 10:15:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-11-17 10:15:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:15:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:15:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 10:15:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 10:15:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 10:15:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 10:15:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 10:15:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 10:15:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2021-11-17 10:15:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2021-11-17 10:15:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:15:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:15:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-17 10:15:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-17 10:15:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-11-17 10:15:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-11-17 10:15:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-11-17 10:15:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-11-17 10:15:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2021-11-17 10:15:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2021-11-17 10:15:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:15:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:15:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-17 10:15:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-17 10:15:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:15:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:15:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2021-11-17 10:15:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2021-11-17 10:15:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:15:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:15:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-17 10:15:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-17 10:15:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-11-17 10:15:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-11-17 10:15:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-11-17 10:15:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-11-17 10:15:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:15:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 10:15:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 10:15:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-17 10:15:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-11-17 10:15:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-11-17 10:15:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:15:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 10:15:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2021-11-17 10:15:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-11-17 10:15:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-11-17 10:15:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-11-17 10:15:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-17 10:15:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:15:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 10:15:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:15:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-17 10:15:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-17 10:15:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-11-17 10:15:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-11-17 10:15:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-11-17 10:15:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-11-17 10:15:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:15:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:15:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:15:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:15:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-11-17 10:15:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-11-17 10:15:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 10:15:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-11-17 10:15:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-11-17 10:15:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-11-17 10:15:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:15:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:15:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-11-17 10:15:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-11-17 10:15:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 10:15:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 10:15:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-11-17 10:15:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-11-17 10:15:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-11-17 10:15:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-11-17 10:15:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-11-17 10:15:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-11-17 10:15:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_97 [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_97 [2021-11-17 10:15:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:15:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2021-11-17 10:15:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 10:15:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 10:15:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-17 10:15:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-17 10:15:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:15:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-17 10:15:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-17 10:15:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 10:15:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 10:15:48,487 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:15:48,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:15:49,031 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:15:50,829 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~nondet330#1; [2021-11-17 10:15:50,829 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6975: tlan_eisa_probe_~irq~0#1 := 10; [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912-1: call tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset;havoc tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset; [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: tlan_eisa_probe_~irq~0#1 := 11; [2021-11-17 10:15:50,830 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet339#1; [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume !(16 == ~debug~0); [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-11-17 10:15:50,831 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6931: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume -2147483648 <= tlan_eisa_probe_#t~ret338#1 && tlan_eisa_probe_#t~ret338#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1; [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6941: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-11-17 10:15:50,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret335#1;havoc tlan_eisa_probe_#t~ret335#1; [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: SUMMARY for call tlan_eisa_probe_#t~ret335#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7013-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet340#1; [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume !(16 == ~debug~0); [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-11-17 10:15:50,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956-2: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet336#1; [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(16 == ~debug~0); [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6963: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret337#1;havoc tlan_eisa_probe_#t~ret337#1; [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-11-17 10:15:50,834 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~nondet328#1; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: SUMMARY for call tlan_eisa_probe_#t~ret327#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967: tlan_eisa_probe_~irq~0#1 := 5; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6971: tlan_eisa_probe_~irq~0#1 := 9; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet331#1; [2021-11-17 10:15:50,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-11-17 10:15:50,971 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:15:50,990 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:15:50,990 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 10:15:50,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:15:50 BoogieIcfgContainer [2021-11-17 10:15:50,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:15:50,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:15:50,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:15:51,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:15:51,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:15:44" (1/3) ... [2021-11-17 10:15:51,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5972250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:15:51, skipping insertion in model container [2021-11-17 10:15:51,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:15:47" (2/3) ... [2021-11-17 10:15:51,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5972250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:15:51, skipping insertion in model container [2021-11-17 10:15:51,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:15:50" (3/3) ... [2021-11-17 10:15:51,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2021-11-17 10:15:51,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:15:51,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 10:15:51,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:15:51,066 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 [2021-11-17 10:15:51,067 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 10:15:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 2107 states, 1384 states have (on average 1.2695086705202312) internal successors, (1757), 1426 states have internal predecessors, (1757), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) [2021-11-17 10:15:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 10:15:51,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:15:51,142 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 10:15:51,143 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:15:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:15:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash -102264943, now seen corresponding path program 1 times [2021-11-17 10:15:51,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:15:51,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601214982] [2021-11-17 10:15:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:15:51,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:15:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:15:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:15:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:15:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:15:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:15:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:15:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:15:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 10:15:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:15:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 10:15:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 10:15:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:15:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-17 10:15:51,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:15:51,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601214982] [2021-11-17 10:15:51,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601214982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:15:51,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:15:51,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:15:51,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217083922] [2021-11-17 10:15:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:15:51,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:15:51,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:15:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:15:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:15:51,742 INFO L87 Difference]: Start difference. First operand has 2107 states, 1384 states have (on average 1.2695086705202312) internal successors, (1757), 1426 states have internal predecessors, (1757), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-17 10:15:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:15:59,729 INFO L93 Difference]: Finished difference Result 6078 states and 9424 transitions. [2021-11-17 10:15:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:15:59,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 126 [2021-11-17 10:15:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:15:59,791 INFO L225 Difference]: With dead ends: 6078 [2021-11-17 10:15:59,791 INFO L226 Difference]: Without dead ends: 3938 [2021-11-17 10:15:59,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:15:59,821 INFO L933 BasicCegarLoop]: 3035 mSDtfsCounter, 5249 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 3400 mSolverCounterSat, 4022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5479 SdHoareTripleChecker+Valid, 6776 SdHoareTripleChecker+Invalid, 7422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4022 IncrementalHoareTripleChecker+Valid, 3400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-17 10:15:59,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5479 Valid, 6776 Invalid, 7422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4022 Valid, 3400 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-17 10:15:59,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2021-11-17 10:16:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3290. [2021-11-17 10:16:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 2217 states have (on average 1.254848894903022) internal successors, (2782), 2293 states have internal predecessors, (2782), 897 states have call successors, (897), 186 states have call predecessors, (897), 175 states have return successors, (920), 850 states have call predecessors, (920), 897 states have call successors, (920) [2021-11-17 10:16:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4599 transitions. [2021-11-17 10:16:00,172 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4599 transitions. Word has length 126 [2021-11-17 10:16:00,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:00,174 INFO L470 AbstractCegarLoop]: Abstraction has 3290 states and 4599 transitions. [2021-11-17 10:16:00,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-17 10:16:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4599 transitions. [2021-11-17 10:16:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-17 10:16:00,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:00,182 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 10:16:00,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:16:00,183 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:00,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1299033063, now seen corresponding path program 1 times [2021-11-17 10:16:00,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:00,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009062070] [2021-11-17 10:16:00,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 10:16:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 10:16:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 10:16:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-17 10:16:00,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:00,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009062070] [2021-11-17 10:16:00,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009062070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:00,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:00,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:16:00,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98958877] [2021-11-17 10:16:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:00,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:16:00,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:00,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:16:00,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:16:00,502 INFO L87 Difference]: Start difference. First operand 3290 states and 4599 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-17 10:16:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:16:10,988 INFO L93 Difference]: Finished difference Result 10490 states and 15316 transitions. [2021-11-17 10:16:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:16:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 130 [2021-11-17 10:16:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:16:11,055 INFO L225 Difference]: With dead ends: 10490 [2021-11-17 10:16:11,055 INFO L226 Difference]: Without dead ends: 7217 [2021-11-17 10:16:11,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:16:11,078 INFO L933 BasicCegarLoop]: 3260 mSDtfsCounter, 6016 mSDsluCounter, 4734 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 4703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6257 SdHoareTripleChecker+Valid, 7994 SdHoareTripleChecker+Invalid, 8782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4703 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:16:11,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6257 Valid, 7994 Invalid, 8782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4703 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-11-17 10:16:11,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7217 states. [2021-11-17 10:16:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7217 to 6504. [2021-11-17 10:16:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6504 states, 4315 states have (on average 1.2461181923522595) internal successors, (5377), 4481 states have internal predecessors, (5377), 1827 states have call successors, (1827), 363 states have call predecessors, (1827), 361 states have return successors, (2446), 1745 states have call predecessors, (2446), 1827 states have call successors, (2446) [2021-11-17 10:16:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6504 states to 6504 states and 9650 transitions. [2021-11-17 10:16:11,399 INFO L78 Accepts]: Start accepts. Automaton has 6504 states and 9650 transitions. Word has length 130 [2021-11-17 10:16:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:11,400 INFO L470 AbstractCegarLoop]: Abstraction has 6504 states and 9650 transitions. [2021-11-17 10:16:11,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-17 10:16:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 6504 states and 9650 transitions. [2021-11-17 10:16:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-17 10:16:11,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:11,407 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 10:16:11,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:16:11,410 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash -144100150, now seen corresponding path program 1 times [2021-11-17 10:16:11,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:11,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119022292] [2021-11-17 10:16:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:11,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 10:16:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 10:16:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 10:16:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 10:16:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 10:16:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 10:16:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:16:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 10:16:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 10:16:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-17 10:16:11,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:11,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119022292] [2021-11-17 10:16:11,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119022292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:11,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:11,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:16:11,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160197978] [2021-11-17 10:16:11,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:11,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:16:11,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:11,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:16:11,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:16:11,644 INFO L87 Difference]: Start difference. First operand 6504 states and 9650 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-17 10:16:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:16:29,334 INFO L93 Difference]: Finished difference Result 20913 states and 33268 transitions. [2021-11-17 10:16:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:16:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 149 [2021-11-17 10:16:29,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:16:29,498 INFO L225 Difference]: With dead ends: 20913 [2021-11-17 10:16:29,499 INFO L226 Difference]: Without dead ends: 14426 [2021-11-17 10:16:29,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:16:29,561 INFO L933 BasicCegarLoop]: 3556 mSDtfsCounter, 7215 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 5189 mSolverCounterSat, 6658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7498 SdHoareTripleChecker+Valid, 8629 SdHoareTripleChecker+Invalid, 11847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6658 IncrementalHoareTripleChecker+Valid, 5189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:16:29,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7498 Valid, 8629 Invalid, 11847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6658 Valid, 5189 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2021-11-17 10:16:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14426 states. [2021-11-17 10:16:30,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14426 to 12574. [2021-11-17 10:16:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12574 states, 8339 states have (on average 1.246552344405804) internal successors, (10395), 8666 states have internal predecessors, (10395), 3538 states have call successors, (3538), 722 states have call predecessors, (3538), 696 states have return successors, (4853), 3349 states have call predecessors, (4853), 3538 states have call successors, (4853) [2021-11-17 10:16:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 18786 transitions. [2021-11-17 10:16:30,294 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 18786 transitions. Word has length 149 [2021-11-17 10:16:30,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:30,294 INFO L470 AbstractCegarLoop]: Abstraction has 12574 states and 18786 transitions. [2021-11-17 10:16:30,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-17 10:16:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 18786 transitions. [2021-11-17 10:16:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-17 10:16:30,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:30,304 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:16:30,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:16:30,305 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:30,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:30,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1292294821, now seen corresponding path program 1 times [2021-11-17 10:16:30,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:30,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374835684] [2021-11-17 10:16:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:30,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:16:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:16:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:16:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:16:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:16:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:16:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:16:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:16:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 10:16:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 10:16:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-17 10:16:30,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:30,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374835684] [2021-11-17 10:16:30,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374835684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:30,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:30,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:16:30,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450268660] [2021-11-17 10:16:30,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:30,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:16:30,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:30,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:16:30,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:16:30,624 INFO L87 Difference]: Start difference. First operand 12574 states and 18786 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:16:37,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:16:37,927 INFO L93 Difference]: Finished difference Result 29908 states and 44453 transitions. [2021-11-17 10:16:37,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:16:37,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 190 [2021-11-17 10:16:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:16:38,049 INFO L225 Difference]: With dead ends: 29908 [2021-11-17 10:16:38,049 INFO L226 Difference]: Without dead ends: 17351 [2021-11-17 10:16:38,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:16:38,127 INFO L933 BasicCegarLoop]: 3732 mSDtfsCounter, 2748 mSDsluCounter, 5212 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 2823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 8944 SdHoareTripleChecker+Invalid, 6520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2823 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 10:16:38,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2896 Valid, 8944 Invalid, 6520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2823 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 10:16:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17351 states. [2021-11-17 10:16:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17351 to 15432. [2021-11-17 10:16:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15432 states, 10318 states have (on average 1.2469470827679783) internal successors, (12866), 10719 states have internal predecessors, (12866), 4236 states have call successors, (4236), 944 states have call predecessors, (4236), 877 states have return successors, (5643), 3957 states have call predecessors, (5643), 4236 states have call successors, (5643) [2021-11-17 10:16:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15432 states to 15432 states and 22745 transitions. [2021-11-17 10:16:38,876 INFO L78 Accepts]: Start accepts. Automaton has 15432 states and 22745 transitions. Word has length 190 [2021-11-17 10:16:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:38,878 INFO L470 AbstractCegarLoop]: Abstraction has 15432 states and 22745 transitions. [2021-11-17 10:16:38,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-17 10:16:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 15432 states and 22745 transitions. [2021-11-17 10:16:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-17 10:16:38,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:38,885 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:16:38,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 10:16:38,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:38,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1170330952, now seen corresponding path program 1 times [2021-11-17 10:16:38,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:38,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781610930] [2021-11-17 10:16:38,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:38,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:16:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:16:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:16:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:16:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:16:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:16:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:16:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:16:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:16:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:16:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:16:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:16:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 10:16:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 10:16:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-11-17 10:16:39,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:39,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781610930] [2021-11-17 10:16:39,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781610930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:39,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:39,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:16:39,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690966656] [2021-11-17 10:16:39,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:39,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:16:39,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:39,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:16:39,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:16:39,266 INFO L87 Difference]: Start difference. First operand 15432 states and 22745 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:16:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:16:47,037 INFO L93 Difference]: Finished difference Result 36162 states and 53134 transitions. [2021-11-17 10:16:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:16:47,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 266 [2021-11-17 10:16:47,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:16:47,249 INFO L225 Difference]: With dead ends: 36162 [2021-11-17 10:16:47,249 INFO L226 Difference]: Without dead ends: 20747 [2021-11-17 10:16:47,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:16:47,312 INFO L933 BasicCegarLoop]: 3833 mSDtfsCounter, 2732 mSDsluCounter, 5476 mSDsCounter, 0 mSdLazyCounter, 3674 mSolverCounterSat, 2802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 9309 SdHoareTripleChecker+Invalid, 6476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2802 IncrementalHoareTripleChecker+Valid, 3674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:16:47,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2881 Valid, 9309 Invalid, 6476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2802 Valid, 3674 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-17 10:16:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20747 states. [2021-11-17 10:16:48,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20747 to 18248. [2021-11-17 10:16:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18248 states, 12271 states have (on average 1.2475755847119223) internal successors, (15309), 12743 states have internal predecessors, (15309), 4920 states have call successors, (4920), 1165 states have call predecessors, (4920), 1056 states have return successors, (6418), 4551 states have call predecessors, (6418), 4920 states have call successors, (6418) [2021-11-17 10:16:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18248 states to 18248 states and 26647 transitions. [2021-11-17 10:16:48,156 INFO L78 Accepts]: Start accepts. Automaton has 18248 states and 26647 transitions. Word has length 266 [2021-11-17 10:16:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:48,157 INFO L470 AbstractCegarLoop]: Abstraction has 18248 states and 26647 transitions. [2021-11-17 10:16:48,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:16:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 18248 states and 26647 transitions. [2021-11-17 10:16:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-17 10:16:48,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:48,168 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:16:48,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 10:16:48,168 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash 863564968, now seen corresponding path program 1 times [2021-11-17 10:16:48,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:48,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776308632] [2021-11-17 10:16:48,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:48,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:16:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:16:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:16:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:16:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:16:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:16:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:16:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:16:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:16:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:16:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:16:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 10:16:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:16:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 10:16:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-11-17 10:16:48,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:48,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776308632] [2021-11-17 10:16:48,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776308632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:48,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:48,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:16:48,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556297745] [2021-11-17 10:16:48,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:48,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:16:48,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:48,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:16:48,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:16:48,485 INFO L87 Difference]: Start difference. First operand 18248 states and 26647 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:16:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:16:56,757 INFO L93 Difference]: Finished difference Result 42822 states and 62413 transitions. [2021-11-17 10:16:56,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:16:56,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 264 [2021-11-17 10:16:56,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:16:56,893 INFO L225 Difference]: With dead ends: 42822 [2021-11-17 10:16:56,893 INFO L226 Difference]: Without dead ends: 24591 [2021-11-17 10:16:56,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:16:56,976 INFO L933 BasicCegarLoop]: 3867 mSDtfsCounter, 3018 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 2935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 9161 SdHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-17 10:16:56,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3191 Valid, 9161 Invalid, 6708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2935 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-11-17 10:16:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24591 states. [2021-11-17 10:16:57,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24591 to 21457. [2021-11-17 10:16:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21457 states, 14469 states have (on average 1.2463888312944917) internal successors, (18034), 15018 states have internal predecessors, (18034), 5723 states have call successors, (5723), 1421 states have call predecessors, (5723), 1264 states have return successors, (7321), 5252 states have call predecessors, (7321), 5723 states have call successors, (7321) [2021-11-17 10:16:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21457 states to 21457 states and 31078 transitions. [2021-11-17 10:16:57,977 INFO L78 Accepts]: Start accepts. Automaton has 21457 states and 31078 transitions. Word has length 264 [2021-11-17 10:16:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:16:57,977 INFO L470 AbstractCegarLoop]: Abstraction has 21457 states and 31078 transitions. [2021-11-17 10:16:57,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 10:16:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 21457 states and 31078 transitions. [2021-11-17 10:16:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-17 10:16:57,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:16:57,989 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:16:57,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 10:16:57,990 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:16:57,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:16:57,990 INFO L85 PathProgramCache]: Analyzing trace with hash 584742405, now seen corresponding path program 1 times [2021-11-17 10:16:57,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:16:57,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822198436] [2021-11-17 10:16:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:16:57,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:16:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:16:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:16:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:16:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:16:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:16:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:16:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:16:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:16:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:16:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:16:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:16:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:16:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:16:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:16:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:16:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:16:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:16:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:16:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:16:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:16:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:16:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:16:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:16:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:16:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:16:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 10:16:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:16:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 10:16:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 10:16:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:16:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-17 10:16:58,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:16:58,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822198436] [2021-11-17 10:16:58,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822198436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:16:58,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:16:58,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 10:16:58,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53870045] [2021-11-17 10:16:58,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:16:58,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 10:16:58,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:16:58,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 10:16:58,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 10:16:58,356 INFO L87 Difference]: Start difference. First operand 21457 states and 31078 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 10:17:11,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:17:11,951 INFO L93 Difference]: Finished difference Result 50017 states and 74234 transitions. [2021-11-17 10:17:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 10:17:11,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2021-11-17 10:17:11,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:17:12,180 INFO L225 Difference]: With dead ends: 50017 [2021-11-17 10:17:12,181 INFO L226 Difference]: Without dead ends: 28577 [2021-11-17 10:17:12,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-17 10:17:12,466 INFO L933 BasicCegarLoop]: 3547 mSDtfsCounter, 3333 mSDsluCounter, 7675 mSDsCounter, 0 mSdLazyCounter, 6349 mSolverCounterSat, 3922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 11222 SdHoareTripleChecker+Invalid, 10271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3922 IncrementalHoareTripleChecker+Valid, 6349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:17:12,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3602 Valid, 11222 Invalid, 10271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3922 Valid, 6349 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2021-11-17 10:17:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28577 states. [2021-11-17 10:17:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28577 to 24295. [2021-11-17 10:17:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24295 states, 16448 states have (on average 1.24653453307393) internal successors, (20503), 17068 states have internal predecessors, (20503), 6407 states have call successors, (6407), 1638 states have call predecessors, (6407), 1439 states have return successors, (8096), 5846 states have call predecessors, (8096), 6407 states have call successors, (8096) [2021-11-17 10:17:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24295 states to 24295 states and 35006 transitions. [2021-11-17 10:17:13,954 INFO L78 Accepts]: Start accepts. Automaton has 24295 states and 35006 transitions. Word has length 324 [2021-11-17 10:17:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:17:13,958 INFO L470 AbstractCegarLoop]: Abstraction has 24295 states and 35006 transitions. [2021-11-17 10:17:13,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 10:17:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24295 states and 35006 transitions. [2021-11-17 10:17:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-17 10:17:13,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:17:13,970 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:17:13,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 10:17:13,970 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:17:13,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:17:13,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1638717870, now seen corresponding path program 1 times [2021-11-17 10:17:13,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:17:13,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813528948] [2021-11-17 10:17:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:17:13,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:17:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:17:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:17:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:17:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:17:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:17:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:17:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:17:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:17:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:17:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:17:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:17:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:17:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:17:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:17:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:17:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:17:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:17:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:17:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:17:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:17:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:17:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:17:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:17:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 10:17:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 10:17:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 10:17:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 10:17:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 10:17:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-17 10:17:14,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:17:14,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813528948] [2021-11-17 10:17:14,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813528948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:17:14,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:17:14,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:17:14,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11331275] [2021-11-17 10:17:14,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:17:14,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:17:14,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:17:14,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:17:14,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:17:14,346 INFO L87 Difference]: Start difference. First operand 24295 states and 35006 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 10:17:27,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:17:27,056 INFO L93 Difference]: Finished difference Result 53623 states and 77453 transitions. [2021-11-17 10:17:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 10:17:27,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 336 [2021-11-17 10:17:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:17:27,257 INFO L225 Difference]: With dead ends: 53623 [2021-11-17 10:17:27,257 INFO L226 Difference]: Without dead ends: 29345 [2021-11-17 10:17:27,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 10:17:27,379 INFO L933 BasicCegarLoop]: 3767 mSDtfsCounter, 1874 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 4808 mSolverCounterSat, 1396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 7984 SdHoareTripleChecker+Invalid, 6204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1396 IncrementalHoareTripleChecker+Valid, 4808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-17 10:17:27,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 7984 Invalid, 6204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1396 Valid, 4808 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-11-17 10:17:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29345 states. [2021-11-17 10:17:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29345 to 27155. [2021-11-17 10:17:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27155 states, 18441 states have (on average 1.246895504582181) internal successors, (22994), 19132 states have internal predecessors, (22994), 7095 states have call successors, (7095), 1859 states have call predecessors, (7095), 1618 states have return successors, (8875), 6444 states have call predecessors, (8875), 7095 states have call successors, (8875) [2021-11-17 10:17:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27155 states to 27155 states and 38964 transitions. [2021-11-17 10:17:29,143 INFO L78 Accepts]: Start accepts. Automaton has 27155 states and 38964 transitions. Word has length 336 [2021-11-17 10:17:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:17:29,144 INFO L470 AbstractCegarLoop]: Abstraction has 27155 states and 38964 transitions. [2021-11-17 10:17:29,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 10:17:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 27155 states and 38964 transitions. [2021-11-17 10:17:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-17 10:17:29,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:17:29,158 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:17:29,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 10:17:29,159 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:17:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:17:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1563235630, now seen corresponding path program 1 times [2021-11-17 10:17:29,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:17:29,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338859952] [2021-11-17 10:17:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:17:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:17:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:17:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:17:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:17:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:17:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:17:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:17:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:17:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:17:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:17:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:17:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:17:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:17:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:17:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:17:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:17:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:17:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:17:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:17:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:17:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:17:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:17:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:17:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:17:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:17:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:17:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:17:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:17:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 10:17:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 10:17:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 10:17:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 10:17:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2021-11-17 10:17:29,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:17:29,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338859952] [2021-11-17 10:17:29,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338859952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:17:29,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:17:29,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 10:17:29,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050281227] [2021-11-17 10:17:29,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:17:29,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 10:17:29,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:17:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 10:17:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 10:17:29,858 INFO L87 Difference]: Start difference. First operand 27155 states and 38964 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:17:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:17:45,540 INFO L93 Difference]: Finished difference Result 60038 states and 86339 transitions. [2021-11-17 10:17:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:17:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 382 [2021-11-17 10:17:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:17:45,764 INFO L225 Difference]: With dead ends: 60038 [2021-11-17 10:17:45,765 INFO L226 Difference]: Without dead ends: 32900 [2021-11-17 10:17:46,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-17 10:17:46,057 INFO L933 BasicCegarLoop]: 3542 mSDtfsCounter, 2164 mSDsluCounter, 10335 mSDsCounter, 0 mSdLazyCounter, 7155 mSolverCounterSat, 1527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 13877 SdHoareTripleChecker+Invalid, 8682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1527 IncrementalHoareTripleChecker+Valid, 7155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-17 10:17:46,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2431 Valid, 13877 Invalid, 8682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1527 Valid, 7155 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2021-11-17 10:17:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32900 states. [2021-11-17 10:17:47,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32900 to 30275. [2021-11-17 10:17:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30275 states, 20553 states have (on average 1.2465820074928233) internal successors, (25621), 21311 states have internal predecessors, (25621), 7898 states have call successors, (7898), 2129 states have call predecessors, (7898), 1823 states have return successors, (9775), 7136 states have call predecessors, (9775), 7898 states have call successors, (9775) [2021-11-17 10:17:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30275 states to 30275 states and 43294 transitions. [2021-11-17 10:17:47,956 INFO L78 Accepts]: Start accepts. Automaton has 30275 states and 43294 transitions. Word has length 382 [2021-11-17 10:17:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:17:47,957 INFO L470 AbstractCegarLoop]: Abstraction has 30275 states and 43294 transitions. [2021-11-17 10:17:47,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:17:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30275 states and 43294 transitions. [2021-11-17 10:17:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-17 10:17:47,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:17:47,973 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:17:47,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 10:17:47,973 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:17:47,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:17:47,974 INFO L85 PathProgramCache]: Analyzing trace with hash 349083168, now seen corresponding path program 1 times [2021-11-17 10:17:47,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:17:47,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383698969] [2021-11-17 10:17:47,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:17:47,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:17:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:17:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:17:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:17:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:17:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:17:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:17:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:17:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:17:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:17:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:17:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:17:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:17:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:17:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:17:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:17:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:17:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:17:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:17:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:17:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:17:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:17:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:17:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:17:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:17:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:17:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:17:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:17:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:17:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:17:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 10:17:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 10:17:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 10:17:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 10:17:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 10:17:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:17:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2021-11-17 10:17:48,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:17:48,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383698969] [2021-11-17 10:17:48,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383698969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:17:48,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:17:48,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 10:17:48,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480652884] [2021-11-17 10:17:48,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:17:48,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 10:17:48,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:17:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 10:17:48,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 10:17:48,466 INFO L87 Difference]: Start difference. First operand 30275 states and 43294 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:18:01,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:01,229 INFO L93 Difference]: Finished difference Result 66464 states and 95300 transitions. [2021-11-17 10:18:01,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:18:01,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 378 [2021-11-17 10:18:01,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:01,440 INFO L225 Difference]: With dead ends: 66464 [2021-11-17 10:18:01,441 INFO L226 Difference]: Without dead ends: 36206 [2021-11-17 10:18:01,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-17 10:18:01,593 INFO L933 BasicCegarLoop]: 3885 mSDtfsCounter, 2324 mSDsluCounter, 10164 mSDsCounter, 0 mSdLazyCounter, 6405 mSolverCounterSat, 2354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 14049 SdHoareTripleChecker+Invalid, 8759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2354 IncrementalHoareTripleChecker+Valid, 6405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:01,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2597 Valid, 14049 Invalid, 8759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2354 Valid, 6405 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2021-11-17 10:18:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36206 states. [2021-11-17 10:18:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36206 to 33327. [2021-11-17 10:18:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33327 states, 22643 states have (on average 1.2459479750916398) internal successors, (28212), 23472 states have internal predecessors, (28212), 8656 states have call successors, (8656), 2377 states have call predecessors, (8656), 2027 states have return successors, (10634), 7802 states have call predecessors, (10634), 8656 states have call successors, (10634) [2021-11-17 10:18:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33327 states to 33327 states and 47502 transitions. [2021-11-17 10:18:03,767 INFO L78 Accepts]: Start accepts. Automaton has 33327 states and 47502 transitions. Word has length 378 [2021-11-17 10:18:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:03,768 INFO L470 AbstractCegarLoop]: Abstraction has 33327 states and 47502 transitions. [2021-11-17 10:18:03,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:18:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 33327 states and 47502 transitions. [2021-11-17 10:18:03,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-11-17 10:18:03,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:03,783 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:18:03,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 10:18:03,784 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:03,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1429270865, now seen corresponding path program 1 times [2021-11-17 10:18:03,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:03,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988436198] [2021-11-17 10:18:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:03,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 10:18:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 10:18:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:18:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 10:18:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 10:18:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:18:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2021-11-17 10:18:04,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:04,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988436198] [2021-11-17 10:18:04,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988436198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:04,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:18:04,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 10:18:04,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671690769] [2021-11-17 10:18:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:04,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 10:18:04,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:04,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 10:18:04,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 10:18:04,434 INFO L87 Difference]: Start difference. First operand 33327 states and 47502 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:18:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:15,986 INFO L93 Difference]: Finished difference Result 72595 states and 103824 transitions. [2021-11-17 10:18:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:18:15,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 384 [2021-11-17 10:18:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:16,212 INFO L225 Difference]: With dead ends: 72595 [2021-11-17 10:18:16,212 INFO L226 Difference]: Without dead ends: 39285 [2021-11-17 10:18:16,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-17 10:18:16,371 INFO L933 BasicCegarLoop]: 3864 mSDtfsCounter, 2283 mSDsluCounter, 10171 mSDsCounter, 0 mSdLazyCounter, 6324 mSolverCounterSat, 2327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 14035 SdHoareTripleChecker+Invalid, 8651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2327 IncrementalHoareTripleChecker+Valid, 6324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:16,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2551 Valid, 14035 Invalid, 8651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2327 Valid, 6324 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-11-17 10:18:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39285 states. [2021-11-17 10:18:18,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39285 to 36131. [2021-11-17 10:18:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36131 states, 24588 states have (on average 1.246421018382951) internal successors, (30647), 25488 states have internal predecessors, (30647), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2021-11-17 10:18:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36131 states to 36131 states and 51396 transitions. [2021-11-17 10:18:18,648 INFO L78 Accepts]: Start accepts. Automaton has 36131 states and 51396 transitions. Word has length 384 [2021-11-17 10:18:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:18,649 INFO L470 AbstractCegarLoop]: Abstraction has 36131 states and 51396 transitions. [2021-11-17 10:18:18,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:18:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36131 states and 51396 transitions. [2021-11-17 10:18:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-17 10:18:18,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:18,665 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 10:18:18,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 10:18:18,665 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:18,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1840129869, now seen corresponding path program 1 times [2021-11-17 10:18:18,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:18,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199745378] [2021-11-17 10:18:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:18,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:18:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 10:18:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 10:18:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 10:18:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 10:18:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 10:18:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-11-17 10:18:19,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:19,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199745378] [2021-11-17 10:18:19,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199745378] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:18:19,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368181365] [2021-11-17 10:18:19,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:19,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:19,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:18:19,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:18:19,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 10:18:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:19,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 3582 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:18:19,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:18:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-17 10:18:20,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:18:20,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368181365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:20,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:18:20,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 10:18:20,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860256166] [2021-11-17 10:18:20,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:20,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:18:20,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:18:20,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:20,554 INFO L87 Difference]: Start difference. First operand 36131 states and 51396 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:22,423 INFO L93 Difference]: Finished difference Result 72245 states and 103173 transitions. [2021-11-17 10:18:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:18:22,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 383 [2021-11-17 10:18:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:22,657 INFO L225 Difference]: With dead ends: 72245 [2021-11-17 10:18:22,657 INFO L226 Difference]: Without dead ends: 36131 [2021-11-17 10:18:22,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:22,833 INFO L933 BasicCegarLoop]: 2922 mSDtfsCounter, 2713 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:22,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2713 Valid, 2922 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:18:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36131 states. [2021-11-17 10:18:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36131 to 36131. [2021-11-17 10:18:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36131 states, 24588 states have (on average 1.2450382300309093) internal successors, (30613), 25488 states have internal predecessors, (30613), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2021-11-17 10:18:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36131 states to 36131 states and 51362 transitions. [2021-11-17 10:18:25,115 INFO L78 Accepts]: Start accepts. Automaton has 36131 states and 51362 transitions. Word has length 383 [2021-11-17 10:18:25,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:25,116 INFO L470 AbstractCegarLoop]: Abstraction has 36131 states and 51362 transitions. [2021-11-17 10:18:25,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36131 states and 51362 transitions. [2021-11-17 10:18:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-17 10:18:25,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:25,130 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 10:18:25,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 10:18:25,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-17 10:18:25,344 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:25,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1480988004, now seen corresponding path program 1 times [2021-11-17 10:18:25,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:25,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655848953] [2021-11-17 10:18:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:25,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:18:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 10:18:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 10:18:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 10:18:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 10:18:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 10:18:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-11-17 10:18:25,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:25,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655848953] [2021-11-17 10:18:25,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655848953] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:18:25,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109072197] [2021-11-17 10:18:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:25,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:25,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:18:25,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:18:25,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 10:18:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:26,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 3605 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:18:26,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:18:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-17 10:18:27,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:18:27,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109072197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:27,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:18:27,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 10:18:27,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252892565] [2021-11-17 10:18:27,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:27,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:18:27,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:27,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:18:27,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:27,166 INFO L87 Difference]: Start difference. First operand 36131 states and 51362 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:29,194 INFO L93 Difference]: Finished difference Result 72245 states and 103105 transitions. [2021-11-17 10:18:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:18:29,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 386 [2021-11-17 10:18:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:29,406 INFO L225 Difference]: With dead ends: 72245 [2021-11-17 10:18:29,406 INFO L226 Difference]: Without dead ends: 36131 [2021-11-17 10:18:29,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:29,567 INFO L933 BasicCegarLoop]: 2921 mSDtfsCounter, 2709 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 2921 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:29,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2709 Valid, 2921 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:18:29,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36131 states. [2021-11-17 10:18:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36131 to 36131. [2021-11-17 10:18:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36131 states, 24588 states have (on average 1.2436554416788677) internal successors, (30579), 25488 states have internal predecessors, (30579), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2021-11-17 10:18:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36131 states to 36131 states and 51328 transitions. [2021-11-17 10:18:31,956 INFO L78 Accepts]: Start accepts. Automaton has 36131 states and 51328 transitions. Word has length 386 [2021-11-17 10:18:31,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:31,957 INFO L470 AbstractCegarLoop]: Abstraction has 36131 states and 51328 transitions. [2021-11-17 10:18:31,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 36131 states and 51328 transitions. [2021-11-17 10:18:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 10:18:31,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:31,969 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 10:18:31,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 10:18:32,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-17 10:18:32,180 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:32,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:32,180 INFO L85 PathProgramCache]: Analyzing trace with hash -761078385, now seen corresponding path program 1 times [2021-11-17 10:18:32,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:32,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211532750] [2021-11-17 10:18:32,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:32,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:18:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 10:18:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 10:18:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 10:18:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 10:18:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 10:18:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-11-17 10:18:32,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:32,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211532750] [2021-11-17 10:18:32,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211532750] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:18:32,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569688289] [2021-11-17 10:18:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:32,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:18:32,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:18:32,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 10:18:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:33,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:18:33,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:18:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-17 10:18:34,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:18:34,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569688289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:34,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:18:34,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 10:18:34,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908720587] [2021-11-17 10:18:34,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:34,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:18:34,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:18:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:34,139 INFO L87 Difference]: Start difference. First operand 36131 states and 51328 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:35,978 INFO L93 Difference]: Finished difference Result 72245 states and 103037 transitions. [2021-11-17 10:18:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:18:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 385 [2021-11-17 10:18:35,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:36,193 INFO L225 Difference]: With dead ends: 72245 [2021-11-17 10:18:36,194 INFO L226 Difference]: Without dead ends: 36131 [2021-11-17 10:18:36,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:36,357 INFO L933 BasicCegarLoop]: 2920 mSDtfsCounter, 2709 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:36,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2709 Valid, 2920 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:18:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36131 states. [2021-11-17 10:18:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36131 to 36131. [2021-11-17 10:18:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36131 states, 24588 states have (on average 1.242272653326826) internal successors, (30545), 25488 states have internal predecessors, (30545), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2021-11-17 10:18:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36131 states to 36131 states and 51294 transitions. [2021-11-17 10:18:38,908 INFO L78 Accepts]: Start accepts. Automaton has 36131 states and 51294 transitions. Word has length 385 [2021-11-17 10:18:38,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:38,908 INFO L470 AbstractCegarLoop]: Abstraction has 36131 states and 51294 transitions. [2021-11-17 10:18:38,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 36131 states and 51294 transitions. [2021-11-17 10:18:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-17 10:18:38,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:38,920 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 10:18:38,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 10:18:39,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:39,136 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash 194257250, now seen corresponding path program 1 times [2021-11-17 10:18:39,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:39,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466603963] [2021-11-17 10:18:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:39,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:18:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 10:18:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 10:18:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 10:18:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 10:18:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 10:18:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-11-17 10:18:39,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:39,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466603963] [2021-11-17 10:18:39,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466603963] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:18:39,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290196394] [2021-11-17 10:18:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:39,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:39,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:18:39,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:18:39,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 10:18:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:40,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:18:40,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:18:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-17 10:18:40,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:18:40,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290196394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:40,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:18:40,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 10:18:40,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358962477] [2021-11-17 10:18:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:40,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:18:40,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:40,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:18:40,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:40,827 INFO L87 Difference]: Start difference. First operand 36131 states and 51294 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:43,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:18:43,168 INFO L93 Difference]: Finished difference Result 72245 states and 102969 transitions. [2021-11-17 10:18:43,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 10:18:43,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 386 [2021-11-17 10:18:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:18:43,362 INFO L225 Difference]: With dead ends: 72245 [2021-11-17 10:18:43,362 INFO L226 Difference]: Without dead ends: 36131 [2021-11-17 10:18:43,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:43,503 INFO L933 BasicCegarLoop]: 2919 mSDtfsCounter, 2707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2707 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:18:43,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2707 Valid, 2919 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 10:18:43,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36131 states. [2021-11-17 10:18:45,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36131 to 36131. [2021-11-17 10:18:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36131 states, 24588 states have (on average 1.2408898649747844) internal successors, (30511), 25488 states have internal predecessors, (30511), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2021-11-17 10:18:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36131 states to 36131 states and 51260 transitions. [2021-11-17 10:18:45,850 INFO L78 Accepts]: Start accepts. Automaton has 36131 states and 51260 transitions. Word has length 386 [2021-11-17 10:18:45,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:18:45,851 INFO L470 AbstractCegarLoop]: Abstraction has 36131 states and 51260 transitions. [2021-11-17 10:18:45,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-11-17 10:18:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36131 states and 51260 transitions. [2021-11-17 10:18:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-11-17 10:18:45,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:18:45,862 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 10:18:45,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 10:18:46,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 10:18:46,063 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:18:46,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:18:46,063 INFO L85 PathProgramCache]: Analyzing trace with hash -140592533, now seen corresponding path program 1 times [2021-11-17 10:18:46,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:18:46,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834904614] [2021-11-17 10:18:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:46,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:18:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:18:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:18:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:18:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:18:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:18:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:18:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 10:18:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 10:18:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 10:18:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 10:18:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:18:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 10:18:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 10:18:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:18:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 10:18:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 10:18:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:18:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:18:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 10:18:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 10:18:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:18:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 10:18:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:18:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 10:18:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:18:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:18:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:18:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 10:18:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 10:18:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:18:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 10:18:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 10:18:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 10:18:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 10:18:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2021-11-17 10:18:46,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:18:46,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834904614] [2021-11-17 10:18:46,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834904614] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 10:18:46,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065567634] [2021-11-17 10:18:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:18:46,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 10:18:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:18:46,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 10:18:46,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 10:18:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:18:47,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 10:18:47,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 10:18:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2021-11-17 10:18:47,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 10:18:47,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065567634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:18:47,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 10:18:47,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 10:18:47,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864356596] [2021-11-17 10:18:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:18:47,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 10:18:47,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:18:47,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 10:18:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 10:18:47,743 INFO L87 Difference]: Start difference. First operand 36131 states and 51260 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34)