./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:27:06,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:27:06,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:27:06,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:27:06,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:27:06,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:27:06,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:27:06,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:27:06,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:27:06,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:27:06,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:27:06,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:27:06,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:27:06,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:27:06,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:27:06,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:27:06,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:27:06,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:27:06,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:27:06,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:27:06,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:27:06,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:27:06,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:27:06,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:27:06,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:27:06,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:27:06,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:27:06,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:27:06,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:27:06,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:27:06,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:27:06,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:27:06,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:27:06,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:27:06,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:27:06,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:27:06,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:27:06,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:27:06,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:27:06,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:27:06,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:27:06,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:27:06,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:27:06,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:27:06,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:27:06,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:27:06,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:27:06,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:27:06,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:27:06,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:27:06,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:27:06,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:27:06,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:27:06,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:27:06,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:27:06,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:27:06,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:27:06,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:27:06,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:27:06,729 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:27:06,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:27:06,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:27:06,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:27:06,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2021-12-14 18:27:06,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:27:06,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:27:06,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:27:06,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:27:06,921 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:27:06,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-14 18:27:06,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34200e8/86f5bc5d7a09410091ec78deca6e98db/FLAG99a33d802 [2021-12-14 18:27:07,577 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:27:07,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-14 18:27:07,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34200e8/86f5bc5d7a09410091ec78deca6e98db/FLAG99a33d802 [2021-12-14 18:27:07,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd34200e8/86f5bc5d7a09410091ec78deca6e98db [2021-12-14 18:27:07,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:27:07,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:27:07,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:27:07,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:27:07,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:27:07,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:07" (1/1) ... [2021-12-14 18:27:07,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b3c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:07, skipping insertion in model container [2021-12-14 18:27:07,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:07" (1/1) ... [2021-12-14 18:27:07,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:27:07,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:27:09,511 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-14 18:27:09,514 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-14 18:27:09,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:27:09,611 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:27:09,831 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-14 18:27:09,831 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-14 18:27:09,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:27:09,977 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:27:09,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09 WrapperNode [2021-12-14 18:27:09,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:27:09,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:27:09,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:27:09,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:27:09,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,215 INFO L137 Inliner]: procedures = 434, calls = 2034, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 4923 [2021-12-14 18:27:10,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:27:10,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:27:10,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:27:10,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:27:10,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:27:10,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:27:10,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:27:10,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:27:10,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (1/1) ... [2021-12-14 18:27:10,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:27:10,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:27:10,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:27:10,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:27:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:27:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:27:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:27:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:27:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:27:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:27:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-14 18:27:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-14 18:27:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:27:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:27:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:27:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:27:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2021-12-14 18:27:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2021-12-14 18:27:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2021-12-14 18:27:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2021-12-14 18:27:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:27:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:27:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:27:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:27:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:27:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:27:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:27:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:27:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2021-12-14 18:27:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2021-12-14 18:27:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:27:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:27:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:27:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:27:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:27:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:27:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:27:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-14 18:27:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-14 18:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:27:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:27:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:27:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 18:27:10,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 18:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:27:10,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:27:10,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:27:10,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:27:10,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:27:10,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:27:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:27:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:27:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:27:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2021-12-14 18:27:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2021-12-14 18:27:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:27:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:27:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:27:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:27:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:27:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:27:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:27:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:27:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2021-12-14 18:27:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2021-12-14 18:27:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:27:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:27:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:27:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:27:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:27:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:27:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-14 18:27:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-14 18:27:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:27:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:27:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:27:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:27:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:27:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:27:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:27:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:27:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:27:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 18:27:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 18:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:27:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:27:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:27:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2021-12-14 18:27:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2021-12-14 18:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2021-12-14 18:27:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2021-12-14 18:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 18:27:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 18:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:27:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:27:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-14 18:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-14 18:27:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:27:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:27:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:27:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:27:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-14 18:27:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-14 18:27:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:27:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:27:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:27:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:27:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-14 18:27:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-14 18:27:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:27:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2021-12-14 18:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-14 18:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-14 18:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-14 18:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-14 18:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:27:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:27:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2021-12-14 18:27:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2021-12-14 18:27:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-14 18:27:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-14 18:27:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:27:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:27:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:27:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:27:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:27:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:27:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:27:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:27:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2021-12-14 18:27:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:27:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:27:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:27:11,007 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:27:11,009 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:27:11,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:27:13,096 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:27:13,131 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:27:13,143 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:27:13,143 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-14 18:27:13,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:13 BoogieIcfgContainer [2021-12-14 18:27:13,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:27:13,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:27:13,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:27:13,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:27:13,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:27:07" (1/3) ... [2021-12-14 18:27:13,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5614b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:13, skipping insertion in model container [2021-12-14 18:27:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:09" (2/3) ... [2021-12-14 18:27:13,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5614b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:13, skipping insertion in model container [2021-12-14 18:27:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:13" (3/3) ... [2021-12-14 18:27:13,152 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-14 18:27:13,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:27:13,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:27:13,191 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:27:13,195 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:27:13,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:27:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) [2021-12-14 18:27:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-14 18:27:13,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:13,256 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-14 18:27:13,256 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1902264864, now seen corresponding path program 1 times [2021-12-14 18:27:13,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:13,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411599601] [2021-12-14 18:27:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:13,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:27:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:27:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 18:27:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:27:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:27:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 18:27:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-12-14 18:27:13,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:13,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411599601] [2021-12-14 18:27:13,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411599601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:13,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:13,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:13,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996537093] [2021-12-14 18:27:13,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:13,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:13,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:13,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:13,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:13,964 INFO L87 Difference]: Start difference. First operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:27:16,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:16,583 INFO L93 Difference]: Finished difference Result 4691 states and 6643 transitions. [2021-12-14 18:27:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:16,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2021-12-14 18:27:16,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:16,607 INFO L225 Difference]: With dead ends: 4691 [2021-12-14 18:27:16,608 INFO L226 Difference]: Without dead ends: 2969 [2021-12-14 18:27:16,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:16,620 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 2397 mSDsluCounter, 2682 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 5186 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:16,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2741 Valid, 5186 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1167 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:27:16,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2021-12-14 18:27:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2907. [2021-12-14 18:27:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 1994 states have (on average 1.2562688064192578) internal successors, (2505), 2032 states have internal predecessors, (2505), 751 states have call successors, (751), 160 states have call predecessors, (751), 161 states have return successors, (759), 740 states have call predecessors, (759), 751 states have call successors, (759) [2021-12-14 18:27:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4015 transitions. [2021-12-14 18:27:16,758 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4015 transitions. Word has length 161 [2021-12-14 18:27:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:16,759 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4015 transitions. [2021-12-14 18:27:16,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:27:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4015 transitions. [2021-12-14 18:27:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-14 18:27:16,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:16,767 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-14 18:27:16,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:27:16,767 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1778690404, now seen corresponding path program 1 times [2021-12-14 18:27:16,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:16,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778025369] [2021-12-14 18:27:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:16,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-14 18:27:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 18:27:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:27:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 18:27:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 18:27:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 18:27:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:27:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 18:27:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 18:27:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-14 18:27:17,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:17,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778025369] [2021-12-14 18:27:17,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778025369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:17,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:17,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:27:17,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687435529] [2021-12-14 18:27:17,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:17,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:27:17,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:17,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:27:17,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:27:17,078 INFO L87 Difference]: Start difference. First operand 2907 states and 4015 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:27:22,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:22,622 INFO L93 Difference]: Finished difference Result 8709 states and 12111 transitions. [2021-12-14 18:27:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:27:22,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2021-12-14 18:27:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:22,664 INFO L225 Difference]: With dead ends: 8709 [2021-12-14 18:27:22,665 INFO L226 Difference]: Without dead ends: 5823 [2021-12-14 18:27:22,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-14 18:27:22,683 INFO L933 BasicCegarLoop]: 2256 mSDtfsCounter, 4567 mSDsluCounter, 4001 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 3766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4828 SdHoareTripleChecker+Valid, 6257 SdHoareTripleChecker+Invalid, 7043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3766 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:22,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4828 Valid, 6257 Invalid, 7043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3766 Valid, 3277 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-14 18:27:22,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5823 states. [2021-12-14 18:27:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5823 to 5349. [2021-12-14 18:27:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3640 states have (on average 1.2521978021978022) internal successors, (4558), 3714 states have internal predecessors, (4558), 1392 states have call successors, (1392), 316 states have call predecessors, (1392), 316 states have return successors, (1408), 1366 states have call predecessors, (1408), 1392 states have call successors, (1408) [2021-12-14 18:27:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7358 transitions. [2021-12-14 18:27:22,916 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7358 transitions. Word has length 196 [2021-12-14 18:27:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:22,917 INFO L470 AbstractCegarLoop]: Abstraction has 5349 states and 7358 transitions. [2021-12-14 18:27:22,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:27:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7358 transitions. [2021-12-14 18:27:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-14 18:27:22,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:22,921 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-14 18:27:22,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:27:22,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2034596458, now seen corresponding path program 1 times [2021-12-14 18:27:22,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:22,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073637115] [2021-12-14 18:27:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:22,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:27:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 18:27:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:27:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:27:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:27:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:27:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:27:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-14 18:27:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-14 18:27:23,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:23,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073637115] [2021-12-14 18:27:23,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073637115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:23,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:23,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:27:23,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163986310] [2021-12-14 18:27:23,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:23,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:27:23,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:23,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:27:23,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:27:23,269 INFO L87 Difference]: Start difference. First operand 5349 states and 7358 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:27:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:31,602 INFO L93 Difference]: Finished difference Result 17602 states and 24246 transitions. [2021-12-14 18:27:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-14 18:27:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 190 [2021-12-14 18:27:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:31,661 INFO L225 Difference]: With dead ends: 17602 [2021-12-14 18:27:31,662 INFO L226 Difference]: Without dead ends: 12274 [2021-12-14 18:27:31,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-12-14 18:27:31,689 INFO L933 BasicCegarLoop]: 2821 mSDtfsCounter, 9165 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 6205 mSolverCounterSat, 5810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9745 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 12015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5810 IncrementalHoareTripleChecker+Valid, 6205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:31,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9745 Valid, 7632 Invalid, 12015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5810 Valid, 6205 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-14 18:27:31,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12274 states. [2021-12-14 18:27:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12274 to 11280. [2021-12-14 18:27:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11280 states, 7811 states have (on average 1.2591217513762643) internal successors, (9835), 7960 states have internal predecessors, (9835), 2741 states have call successors, (2741), 728 states have call predecessors, (2741), 727 states have return successors, (2757), 2702 states have call predecessors, (2757), 2741 states have call successors, (2757) [2021-12-14 18:27:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11280 states to 11280 states and 15333 transitions. [2021-12-14 18:27:32,094 INFO L78 Accepts]: Start accepts. Automaton has 11280 states and 15333 transitions. Word has length 190 [2021-12-14 18:27:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:32,096 INFO L470 AbstractCegarLoop]: Abstraction has 11280 states and 15333 transitions. [2021-12-14 18:27:32,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-14 18:27:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 11280 states and 15333 transitions. [2021-12-14 18:27:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-14 18:27:32,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:32,105 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:32,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:27:32,106 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1642484292, now seen corresponding path program 1 times [2021-12-14 18:27:32,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:32,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883504977] [2021-12-14 18:27:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:32,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:27:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-14 18:27:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 18:27:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:27:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:27:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:27:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-14 18:27:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-14 18:27:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:27:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:27:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:27:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 18:27:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-12-14 18:27:32,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:32,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883504977] [2021-12-14 18:27:32,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883504977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:32,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:32,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:27:32,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256551054] [2021-12-14 18:27:32,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:32,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:27:32,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:32,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:27:32,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:32,551 INFO L87 Difference]: Start difference. First operand 11280 states and 15333 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-14 18:27:35,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:35,613 INFO L93 Difference]: Finished difference Result 25553 states and 34794 transitions. [2021-12-14 18:27:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:27:35,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 280 [2021-12-14 18:27:35,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:35,678 INFO L225 Difference]: With dead ends: 25553 [2021-12-14 18:27:35,679 INFO L226 Difference]: Without dead ends: 14294 [2021-12-14 18:27:35,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:27:35,716 INFO L933 BasicCegarLoop]: 3347 mSDtfsCounter, 2130 mSDsluCounter, 4248 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 1467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 7595 SdHoareTripleChecker+Invalid, 3480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1467 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:35,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 7595 Invalid, 3480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1467 Valid, 2013 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-14 18:27:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14294 states. [2021-12-14 18:27:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14294 to 13968. [2021-12-14 18:27:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13968 states, 9715 states have (on average 1.2604220277920741) internal successors, (12245), 9897 states have internal predecessors, (12245), 3343 states have call successors, (3343), 910 states have call predecessors, (3343), 909 states have return successors, (3359), 3300 states have call predecessors, (3359), 3343 states have call successors, (3359) [2021-12-14 18:27:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13968 states to 13968 states and 18947 transitions. [2021-12-14 18:27:36,267 INFO L78 Accepts]: Start accepts. Automaton has 13968 states and 18947 transitions. Word has length 280 [2021-12-14 18:27:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:36,268 INFO L470 AbstractCegarLoop]: Abstraction has 13968 states and 18947 transitions. [2021-12-14 18:27:36,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-14 18:27:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 13968 states and 18947 transitions. [2021-12-14 18:27:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-14 18:27:36,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:36,278 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 10, 10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:36,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:27:36,279 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:36,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:36,279 INFO L85 PathProgramCache]: Analyzing trace with hash 501911425, now seen corresponding path program 1 times [2021-12-14 18:27:36,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:36,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446443159] [2021-12-14 18:27:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:36,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:27:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:27:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:27:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-14 18:27:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:27:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:27:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:27:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 18:27:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:27:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-14 18:27:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-14 18:27:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-14 18:27:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 18:27:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:27:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2021-12-14 18:27:36,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:36,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446443159] [2021-12-14 18:27:36,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446443159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:36,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:36,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:27:36,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911984062] [2021-12-14 18:27:36,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:36,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:27:36,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:27:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:36,718 INFO L87 Difference]: Start difference. First operand 13968 states and 18947 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-14 18:27:39,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:39,324 INFO L93 Difference]: Finished difference Result 30946 states and 42033 transitions. [2021-12-14 18:27:39,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:27:39,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 356 [2021-12-14 18:27:39,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:39,382 INFO L225 Difference]: With dead ends: 30946 [2021-12-14 18:27:39,382 INFO L226 Difference]: Without dead ends: 16999 [2021-12-14 18:27:39,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:27:39,423 INFO L933 BasicCegarLoop]: 3351 mSDtfsCounter, 2128 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 1448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 7614 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:39,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2310 Valid, 7614 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1448 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 18:27:39,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16999 states. [2021-12-14 18:27:39,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16999 to 16621. [2021-12-14 18:27:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16621 states, 11597 states have (on average 1.2617918427179442) internal successors, (14633), 11812 states have internal predecessors, (14633), 3933 states have call successors, (3933), 1091 states have call predecessors, (3933), 1090 states have return successors, (3949), 3886 states have call predecessors, (3949), 3933 states have call successors, (3949) [2021-12-14 18:27:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16621 states to 16621 states and 22515 transitions. [2021-12-14 18:27:40,011 INFO L78 Accepts]: Start accepts. Automaton has 16621 states and 22515 transitions. Word has length 356 [2021-12-14 18:27:40,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:40,011 INFO L470 AbstractCegarLoop]: Abstraction has 16621 states and 22515 transitions. [2021-12-14 18:27:40,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-14 18:27:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 16621 states and 22515 transitions. [2021-12-14 18:27:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-14 18:27:40,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:40,020 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:40,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:27:40,021 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:40,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:40,021 INFO L85 PathProgramCache]: Analyzing trace with hash 737822555, now seen corresponding path program 1 times [2021-12-14 18:27:40,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:40,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772523431] [2021-12-14 18:27:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:40,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:27:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:27:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 18:27:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-14 18:27:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-14 18:27:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:27:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-14 18:27:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2021-12-14 18:27:40,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:40,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772523431] [2021-12-14 18:27:40,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772523431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:40,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:40,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:40,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189623409] [2021-12-14 18:27:40,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:40,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:40,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:40,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:40,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:40,374 INFO L87 Difference]: Start difference. First operand 16621 states and 22515 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-14 18:27:42,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:42,928 INFO L93 Difference]: Finished difference Result 36919 states and 50086 transitions. [2021-12-14 18:27:42,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:42,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 336 [2021-12-14 18:27:42,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:43,010 INFO L225 Difference]: With dead ends: 36919 [2021-12-14 18:27:43,010 INFO L226 Difference]: Without dead ends: 20319 [2021-12-14 18:27:43,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:43,065 INFO L933 BasicCegarLoop]: 3543 mSDtfsCounter, 1871 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 6530 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:43,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2179 Valid, 6530 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-14 18:27:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20319 states. [2021-12-14 18:27:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20319 to 19859. [2021-12-14 18:27:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19859 states, 13896 states have (on average 1.2628094415659183) internal successors, (17548), 14146 states have internal predecessors, (17548), 4655 states have call successors, (4655), 1308 states have call predecessors, (4655), 1307 states have return successors, (4671), 4602 states have call predecessors, (4671), 4655 states have call successors, (4671) [2021-12-14 18:27:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19859 states to 19859 states and 26874 transitions. [2021-12-14 18:27:43,665 INFO L78 Accepts]: Start accepts. Automaton has 19859 states and 26874 transitions. Word has length 336 [2021-12-14 18:27:43,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:43,669 INFO L470 AbstractCegarLoop]: Abstraction has 19859 states and 26874 transitions. [2021-12-14 18:27:43,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-14 18:27:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 19859 states and 26874 transitions. [2021-12-14 18:27:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-12-14 18:27:43,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:43,779 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:43,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:27:43,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:43,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash -544607738, now seen corresponding path program 1 times [2021-12-14 18:27:43,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:43,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701010721] [2021-12-14 18:27:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:43,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:27:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:27:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:27:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:27:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:27:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-14 18:27:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:27:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:27:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:27:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-14 18:27:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-14 18:27:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-14 18:27:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2021-12-14 18:27:44,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:44,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701010721] [2021-12-14 18:27:44,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701010721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:44,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:44,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:44,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182611689] [2021-12-14 18:27:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:44,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:44,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:44,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:44,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:44,198 INFO L87 Difference]: Start difference. First operand 19859 states and 26874 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-14 18:27:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:46,548 INFO L93 Difference]: Finished difference Result 42902 states and 58134 transitions. [2021-12-14 18:27:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 396 [2021-12-14 18:27:46,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:46,646 INFO L225 Difference]: With dead ends: 42902 [2021-12-14 18:27:46,646 INFO L226 Difference]: Without dead ends: 23064 [2021-12-14 18:27:46,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:46,702 INFO L933 BasicCegarLoop]: 3277 mSDtfsCounter, 1578 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 6276 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:46,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1824 Valid, 6276 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-14 18:27:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23064 states. [2021-12-14 18:27:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23064 to 22552. [2021-12-14 18:27:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22552 states, 15814 states have (on average 1.2634374604780574) internal successors, (19980), 16097 states have internal predecessors, (19980), 5249 states have call successors, (5249), 1489 states have call predecessors, (5249), 1488 states have return successors, (5265), 5192 states have call predecessors, (5265), 5249 states have call successors, (5265) [2021-12-14 18:27:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22552 states to 22552 states and 30494 transitions. [2021-12-14 18:27:47,635 INFO L78 Accepts]: Start accepts. Automaton has 22552 states and 30494 transitions. Word has length 396 [2021-12-14 18:27:47,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:47,636 INFO L470 AbstractCegarLoop]: Abstraction has 22552 states and 30494 transitions. [2021-12-14 18:27:47,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-14 18:27:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22552 states and 30494 transitions. [2021-12-14 18:27:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-12-14 18:27:47,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:47,648 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:47,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 18:27:47,648 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:47,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1102755204, now seen corresponding path program 1 times [2021-12-14 18:27:47,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:47,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273257807] [2021-12-14 18:27:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:47,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:27:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:27:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:27:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:27:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:27:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-14 18:27:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:27:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:27:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:27:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-14 18:27:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-14 18:27:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-14 18:27:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2021-12-14 18:27:48,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:48,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273257807] [2021-12-14 18:27:48,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273257807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:48,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:48,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:48,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428703623] [2021-12-14 18:27:48,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:48,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:48,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:48,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:48,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:48,029 INFO L87 Difference]: Start difference. First operand 22552 states and 30494 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-14 18:27:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:50,486 INFO L93 Difference]: Finished difference Result 48292 states and 65387 transitions. [2021-12-14 18:27:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:50,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 396 [2021-12-14 18:27:50,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:50,584 INFO L225 Difference]: With dead ends: 48292 [2021-12-14 18:27:50,585 INFO L226 Difference]: Without dead ends: 25761 [2021-12-14 18:27:50,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:27:50,645 INFO L933 BasicCegarLoop]: 3419 mSDtfsCounter, 1564 mSDsluCounter, 3114 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:50,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1809 Valid, 6533 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 18:27:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25761 states. [2021-12-14 18:27:51,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25761 to 25197. [2021-12-14 18:27:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25197 states, 17692 states have (on average 1.2640741578114403) internal successors, (22364), 18008 states have internal predecessors, (22364), 5839 states have call successors, (5839), 1666 states have call predecessors, (5839), 1665 states have return successors, (5855), 5778 states have call predecessors, (5855), 5839 states have call successors, (5855) [2021-12-14 18:27:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25197 states to 25197 states and 34058 transitions. [2021-12-14 18:27:51,650 INFO L78 Accepts]: Start accepts. Automaton has 25197 states and 34058 transitions. Word has length 396 [2021-12-14 18:27:51,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:51,651 INFO L470 AbstractCegarLoop]: Abstraction has 25197 states and 34058 transitions. [2021-12-14 18:27:51,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-14 18:27:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 25197 states and 34058 transitions. [2021-12-14 18:27:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-14 18:27:51,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:51,694 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:51,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 18:27:51,695 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:51,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1016841787, now seen corresponding path program 1 times [2021-12-14 18:27:51,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:51,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318296439] [2021-12-14 18:27:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:51,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:27:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:27:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:27:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:27:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-14 18:27:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:27:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:27:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:27:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-14 18:27:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-14 18:27:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:27:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-14 18:27:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-14 18:27:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-14 18:27:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-14 18:27:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2021-12-14 18:27:52,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:52,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318296439] [2021-12-14 18:27:52,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318296439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:52,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:52,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:27:52,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831650321] [2021-12-14 18:27:52,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:52,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:27:52,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:52,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:27:52,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:27:52,136 INFO L87 Difference]: Start difference. First operand 25197 states and 34058 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:27:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:55,811 INFO L93 Difference]: Finished difference Result 52215 states and 70861 transitions. [2021-12-14 18:27:55,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 18:27:55,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) Word has length 425 [2021-12-14 18:27:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:55,921 INFO L225 Difference]: With dead ends: 52215 [2021-12-14 18:27:55,921 INFO L226 Difference]: Without dead ends: 27039 [2021-12-14 18:27:56,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-14 18:27:56,126 INFO L933 BasicCegarLoop]: 2057 mSDtfsCounter, 1659 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 1736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:56,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1704 Valid, 6169 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1736 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-14 18:27:56,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27039 states. [2021-12-14 18:27:56,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27039 to 25233. [2021-12-14 18:27:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25233 states, 17728 states have (on average 1.263537906137184) internal successors, (22400), 18044 states have internal predecessors, (22400), 5839 states have call successors, (5839), 1666 states have call predecessors, (5839), 1665 states have return successors, (5855), 5778 states have call predecessors, (5855), 5839 states have call successors, (5855) [2021-12-14 18:27:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25233 states to 25233 states and 34094 transitions. [2021-12-14 18:27:56,850 INFO L78 Accepts]: Start accepts. Automaton has 25233 states and 34094 transitions. Word has length 425 [2021-12-14 18:27:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:56,851 INFO L470 AbstractCegarLoop]: Abstraction has 25233 states and 34094 transitions. [2021-12-14 18:27:56,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:27:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 25233 states and 34094 transitions. [2021-12-14 18:27:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-14 18:27:56,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:56,862 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:27:56,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 18:27:56,863 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:56,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:56,863 INFO L85 PathProgramCache]: Analyzing trace with hash -668756997, now seen corresponding path program 1 times [2021-12-14 18:27:56,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:56,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17335609] [2021-12-14 18:27:56,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:56,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:27:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:27:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:27:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:27:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:27:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:27:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:27:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:27:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:27:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:27:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:27:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:27:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:27:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:27:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:27:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:27:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:27:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:27:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:27:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-14 18:27:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:27:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:27:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:27:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-14 18:27:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-14 18:27:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:27:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:27:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-14 18:27:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-14 18:27:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 18:27:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-14 18:27:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-14 18:27:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2021-12-14 18:27:57,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17335609] [2021-12-14 18:27:57,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17335609] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 18:27:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983313579] [2021-12-14 18:27:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:57,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 18:27:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:27:57,400 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) [2021-12-14 18:27:57,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 18:27:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:58,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 3632 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 18:27:58,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 18:27:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2021-12-14 18:27:59,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 18:27:59,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983313579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:59,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 18:27:59,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-12-14 18:27:59,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196088775] [2021-12-14 18:27:59,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:59,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 18:27:59,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 18:27:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:27:59,024 INFO L87 Difference]: Start difference. First operand 25233 states and 34094 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-14 18:27:59,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:59,761 INFO L93 Difference]: Finished difference Result 50549 states and 68443 transitions. [2021-12-14 18:27:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 18:27:59,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 429 [2021-12-14 18:27:59,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:59,842 INFO L225 Difference]: With dead ends: 50549 [2021-12-14 18:27:59,842 INFO L226 Difference]: Without dead ends: 25337 [2021-12-14 18:27:59,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:27:59,899 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 1991 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:59,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 2283 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 18:27:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25337 states. [2021-12-14 18:28:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25337 to 25337. [2021-12-14 18:28:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25337 states, 17798 states have (on average 1.261433868974042) internal successors, (22451), 18118 states have internal predecessors, (22451), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2021-12-14 18:28:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25337 states to 25337 states and 34169 transitions. [2021-12-14 18:28:00,925 INFO L78 Accepts]: Start accepts. Automaton has 25337 states and 34169 transitions. Word has length 429 [2021-12-14 18:28:00,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:28:00,926 INFO L470 AbstractCegarLoop]: Abstraction has 25337 states and 34169 transitions. [2021-12-14 18:28:00,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-14 18:28:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 25337 states and 34169 transitions. [2021-12-14 18:28:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-12-14 18:28:00,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:00,936 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:00,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 18:28:01,158 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,SelfDestructingSolverStorable9 [2021-12-14 18:28:01,159 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1812551680, now seen corresponding path program 1 times [2021-12-14 18:28:01,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:01,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868205980] [2021-12-14 18:28:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:01,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:28:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:28:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:28:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:28:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:28:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:28:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:28:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:28:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:28:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:28:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:28:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:28:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:28:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 18:28:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:28:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:28:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:28:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:28:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:28:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:28:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:28:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:28:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-14 18:28:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:28:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:28:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-14 18:28:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:28:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:28:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:28:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:28:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-14 18:28:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:28:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:28:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:28:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-14 18:28:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-14 18:28:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:28:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:28:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-14 18:28:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-14 18:28:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 18:28:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-14 18:28:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-14 18:28:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2021-12-14 18:28:01,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:28:01,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868205980] [2021-12-14 18:28:01,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868205980] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 18:28:01,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762337547] [2021-12-14 18:28:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:01,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 18:28:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:28:01,712 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) [2021-12-14 18:28:01,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 18:28:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:02,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 3633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 18:28:02,558 INFO L286 TraceCheckSpWp]: Computing forward predicates...