./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-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 06:34:11,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 06:34:11,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 06:34:11,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 06:34:11,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 06:34:11,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 06:34:11,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 06:34:11,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 06:34:11,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 06:34:11,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 06:34:11,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 06:34:11,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 06:34:11,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 06:34:11,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 06:34:11,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 06:34:11,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 06:34:11,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 06:34:11,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 06:34:11,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 06:34:11,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 06:34:11,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 06:34:11,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 06:34:11,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 06:34:11,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 06:34:11,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 06:34:11,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 06:34:11,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 06:34:11,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 06:34:11,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 06:34:11,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 06:34:11,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 06:34:11,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 06:34:11,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 06:34:11,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 06:34:11,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 06:34:11,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 06:34:11,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 06:34:11,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 06:34:11,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 06:34:11,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 06:34:11,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 06:34:11,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 06:34:11,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 06:34:11,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 06:34:11,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 06:34:11,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 06:34:11,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 06:34:11,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 06:34:11,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 06:34:11,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 06:34:11,711 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 06:34:11,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 06:34:11,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 06:34:11,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 06:34:11,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 06:34:11,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 06:34:11,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:34:11,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 06:34:11,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 06:34:11,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 06:34:11,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 06:34:11,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 06:34:11,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 06:34:11,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2021-11-17 06:34:11,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 06:34:11,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 06:34:11,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 06:34:11,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 06:34:11,961 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 06:34:11,962 INFO L432 ainManager$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-fealnx.cil.i [2021-11-17 06:34:12,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fa76523/fb50fbb5980d48198d6c422016baca56/FLAGc14330e5a [2021-11-17 06:34:12,633 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 06:34:12,633 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-fealnx.cil.i [2021-11-17 06:34:12,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fa76523/fb50fbb5980d48198d6c422016baca56/FLAGc14330e5a [2021-11-17 06:34:13,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fa76523/fb50fbb5980d48198d6c422016baca56 [2021-11-17 06:34:13,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 06:34:13,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 06:34:13,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 06:34:13,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 06:34:13,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 06:34:13,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:34:13" (1/1) ... [2021-11-17 06:34:13,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fa4741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:13, skipping insertion in model container [2021-11-17 06:34:13,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:34:13" (1/1) ... [2021-11-17 06:34:13,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 06:34:13,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 06:34:14,754 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-fealnx.cil.i[320486,320499] [2021-11-17 06:34:14,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-17 06:34:14,772 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:34:14,797 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 06:34:15,033 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-fealnx.cil.i[320486,320499] [2021-11-17 06:34:15,034 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-fealnx.cil.i[320631,320644] [2021-11-17 06:34:15,038 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:34:15,177 INFO L208 MainTranslator]: Completed translation [2021-11-17 06:34:15,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15 WrapperNode [2021-11-17 06:34:15,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 06:34:15,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 06:34:15,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 06:34:15,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 06:34:15,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,391 INFO L137 Inliner]: procedures = 433, calls = 1883, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 4369 [2021-11-17 06:34:15,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 06:34:15,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 06:34:15,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 06:34:15,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 06:34:15,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 06:34:15,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 06:34:15,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 06:34:15,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 06:34:15,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (1/1) ... [2021-11-17 06:34:15,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:34:15,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:34:15,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 06:34:15,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 06:34:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-17 06:34:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-17 06:34:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2021-11-17 06:34:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2021-11-17 06:34:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-17 06:34:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-17 06:34:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 06:34:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 06:34:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 06:34:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 06:34:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 06:34:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 06:34:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 06:34:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 06:34:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 06:34:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 06:34:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 06:34:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 06:34:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 06:34:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 06:34:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 06:34:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 06:34:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 06:34:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 06:34:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 06:34:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 06:34:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2021-11-17 06:34:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2021-11-17 06:34:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 06:34:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 06:34:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 06:34:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 06:34:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 06:34:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 06:34:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-11-17 06:34:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-11-17 06:34:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2021-11-17 06:34:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 06:34:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 06:34:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 06:34:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 06:34:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2021-11-17 06:34:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2021-11-17 06:34:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 06:34:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 06:34:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2021-11-17 06:34:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2021-11-17 06:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 06:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 06:34:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 06:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 06:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-17 06:34:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-17 06:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 06:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 06:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 06:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 06:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 06:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 06:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 06:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 06:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 06:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 06:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 06:34:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 06:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 06:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 06:34:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 06:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 06:34:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 06:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 06:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-17 06:34:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-17 06:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 06:34:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 06:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 06:34:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 06:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 06:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 06:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 06:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 06:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 06:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 06:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 06:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 06:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 06:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 06:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 06:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 06:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 06:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2021-11-17 06:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2021-11-17 06:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2021-11-17 06:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2021-11-17 06:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 06:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 06:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 06:34:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 06:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 06:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 06:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 06:34:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 06:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-17 06:34:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-17 06:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 06:34:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 06:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-17 06:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-17 06:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2021-11-17 06:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2021-11-17 06:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 06:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 06:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 06:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 06:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 06:34:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 06:34:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 06:34:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 06:34:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 06:34:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 06:34:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 06:34:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2021-11-17 06:34:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 06:34:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 06:34:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 06:34:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 06:34:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 06:34:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 06:34:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 06:34:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-17 06:34:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-17 06:34:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 06:34:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 06:34:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-17 06:34:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-17 06:34:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 06:34:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 06:34:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 06:34:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 06:34:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2021-11-17 06:34:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2021-11-17 06:34:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 06:34:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 06:34:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2021-11-17 06:34:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2021-11-17 06:34:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2021-11-17 06:34:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2021-11-17 06:34:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 06:34:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2021-11-17 06:34:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2021-11-17 06:34:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 06:34:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 06:34:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 06:34:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 06:34:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 06:34:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 06:34:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 06:34:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 06:34:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 06:34:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 06:34:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 06:34:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-17 06:34:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-17 06:34:16,362 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 06:34:16,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 06:34:16,849 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:34:19,811 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 06:34:19,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:34:19,847 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:34:19,847 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 06:34:19,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:34:19 BoogieIcfgContainer [2021-11-17 06:34:19,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:34:19,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:34:19,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:34:19,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:34:19,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:34:13" (1/3) ... [2021-11-17 06:34:19,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1e2ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:34:19, skipping insertion in model container [2021-11-17 06:34:19,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:15" (2/3) ... [2021-11-17 06:34:19,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1e2ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:34:19, skipping insertion in model container [2021-11-17 06:34:19,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:34:19" (3/3) ... [2021-11-17 06:34:19,855 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-17 06:34:19,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:34:19,858 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:34:19,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:34:19,904 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 06:34:19,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:34:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 1571 states, 1099 states have (on average 1.2829845313921746) internal successors, (1410), 1118 states have internal predecessors, (1410), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2021-11-17 06:34:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-17 06:34:19,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:19,977 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 06:34:19,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash 627831985, now seen corresponding path program 1 times [2021-11-17 06:34:19,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:19,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903276769] [2021-11-17 06:34:19,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:19,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 06:34:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 06:34:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-17 06:34:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:34:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 06:34:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 06:34:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-17 06:34:20,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:20,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903276769] [2021-11-17 06:34:20,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903276769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:20,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:20,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:20,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399096283] [2021-11-17 06:34:20,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:20,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:20,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:20,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:20,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:20,723 INFO L87 Difference]: Start difference. First operand has 1571 states, 1099 states have (on average 1.2829845313921746) internal successors, (1410), 1118 states have internal predecessors, (1410), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-17 06:34:25,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:25,428 INFO L93 Difference]: Finished difference Result 4639 states and 6551 transitions. [2021-11-17 06:34:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:34:25,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 170 [2021-11-17 06:34:25,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:25,463 INFO L225 Difference]: With dead ends: 4639 [2021-11-17 06:34:25,464 INFO L226 Difference]: Without dead ends: 3012 [2021-11-17 06:34:25,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:34:25,481 INFO L933 BasicCegarLoop]: 2325 mSDtfsCounter, 3821 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 2485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4037 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2485 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:25,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4037 Valid, 4999 Invalid, 4715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2485 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-17 06:34:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2021-11-17 06:34:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2925. [2021-11-17 06:34:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2084 states have (on average 1.2797504798464492) internal successors, (2667), 2123 states have internal predecessors, (2667), 682 states have call successors, (682), 157 states have call predecessors, (682), 158 states have return successors, (692), 672 states have call predecessors, (692), 682 states have call successors, (692) [2021-11-17 06:34:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4041 transitions. [2021-11-17 06:34:25,676 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4041 transitions. Word has length 170 [2021-11-17 06:34:25,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:25,678 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 4041 transitions. [2021-11-17 06:34:25,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-17 06:34:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4041 transitions. [2021-11-17 06:34:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-17 06:34:25,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:25,693 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 06:34:25,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:34:25,693 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash 668580181, now seen corresponding path program 1 times [2021-11-17 06:34:25,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:25,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42103336] [2021-11-17 06:34:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:25,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 06:34:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 06:34:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 06:34:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:34:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-17 06:34:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 06:34:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-11-17 06:34:25,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:25,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42103336] [2021-11-17 06:34:25,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42103336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:25,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:25,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:34:25,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759321721] [2021-11-17 06:34:25,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:25,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:34:25,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:25,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:34:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:34:25,984 INFO L87 Difference]: Start difference. First operand 2925 states and 4041 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 06:34:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:28,594 INFO L93 Difference]: Finished difference Result 7817 states and 10809 transitions. [2021-11-17 06:34:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:34:28,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2021-11-17 06:34:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:28,618 INFO L225 Difference]: With dead ends: 7817 [2021-11-17 06:34:28,618 INFO L226 Difference]: Without dead ends: 4915 [2021-11-17 06:34:28,629 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 [2021-11-17 06:34:28,633 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2101 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 4363 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 871 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:28,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2359 Valid, 4363 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [871 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 06:34:28,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2021-11-17 06:34:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4756. [2021-11-17 06:34:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4756 states, 3410 states have (on average 1.2750733137829913) internal successors, (4348), 3470 states have internal predecessors, (4348), 1081 states have call successors, (1081), 263 states have call predecessors, (1081), 264 states have return successors, (1091), 1068 states have call predecessors, (1091), 1081 states have call successors, (1091) [2021-11-17 06:34:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6520 transitions. [2021-11-17 06:34:28,801 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6520 transitions. Word has length 178 [2021-11-17 06:34:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:28,803 INFO L470 AbstractCegarLoop]: Abstraction has 4756 states and 6520 transitions. [2021-11-17 06:34:28,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 06:34:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6520 transitions. [2021-11-17 06:34:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-17 06:34:28,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:28,808 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:34:28,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:34:28,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2083992666, now seen corresponding path program 1 times [2021-11-17 06:34:28,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:28,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732607898] [2021-11-17 06:34:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:28,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:34:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 06:34:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:34:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 06:34:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 06:34:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 06:34:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 06:34:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 06:34:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-17 06:34:29,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:29,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732607898] [2021-11-17 06:34:29,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732607898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:29,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:29,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:29,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686445177] [2021-11-17 06:34:29,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:29,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:29,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:29,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:29,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:29,099 INFO L87 Difference]: Start difference. First operand 4756 states and 6520 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-17 06:34:32,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:32,828 INFO L93 Difference]: Finished difference Result 13663 states and 18698 transitions. [2021-11-17 06:34:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:34:32,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 187 [2021-11-17 06:34:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:32,862 INFO L225 Difference]: With dead ends: 13663 [2021-11-17 06:34:32,862 INFO L226 Difference]: Without dead ends: 8930 [2021-11-17 06:34:32,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:34:32,876 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 3750 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 2286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3930 SdHoareTripleChecker+Valid, 4716 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2286 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:32,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3930 Valid, 4716 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2286 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 06:34:32,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8930 states. [2021-11-17 06:34:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8930 to 8612. [2021-11-17 06:34:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8612 states, 6151 states have (on average 1.2659730125182898) internal successors, (7787), 6259 states have internal predecessors, (7787), 1952 states have call successors, (1952), 508 states have call predecessors, (1952), 508 states have return successors, (1984), 1920 states have call predecessors, (1984), 1952 states have call successors, (1984) [2021-11-17 06:34:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8612 states to 8612 states and 11723 transitions. [2021-11-17 06:34:33,132 INFO L78 Accepts]: Start accepts. Automaton has 8612 states and 11723 transitions. Word has length 187 [2021-11-17 06:34:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:33,132 INFO L470 AbstractCegarLoop]: Abstraction has 8612 states and 11723 transitions. [2021-11-17 06:34:33,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 4 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-17 06:34:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 8612 states and 11723 transitions. [2021-11-17 06:34:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-17 06:34:33,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:33,138 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 06:34:33,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:34:33,139 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1746001321, now seen corresponding path program 1 times [2021-11-17 06:34:33,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:33,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107478032] [2021-11-17 06:34:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:33,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:34:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:34:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:34:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 06:34:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 06:34:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 06:34:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 06:34:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 06:34:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-11-17 06:34:33,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:33,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107478032] [2021-11-17 06:34:33,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107478032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:33,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:33,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:33,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566947073] [2021-11-17 06:34:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:33,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:33,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:33,414 INFO L87 Difference]: Start difference. First operand 8612 states and 11723 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-17 06:34:35,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:34:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:38,820 INFO L93 Difference]: Finished difference Result 26356 states and 35962 transitions. [2021-11-17 06:34:38,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:34:38,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 193 [2021-11-17 06:34:38,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:38,915 INFO L225 Difference]: With dead ends: 26356 [2021-11-17 06:34:38,916 INFO L226 Difference]: Without dead ends: 17767 [2021-11-17 06:34:38,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:34:38,952 INFO L933 BasicCegarLoop]: 2171 mSDtfsCounter, 4055 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 2394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 4829 SdHoareTripleChecker+Invalid, 4636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2394 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:38,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4294 Valid, 4829 Invalid, 4636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2394 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-17 06:34:38,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17767 states. [2021-11-17 06:34:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17767 to 17123. [2021-11-17 06:34:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17123 states, 12219 states have (on average 1.2658155331860217) internal successors, (15467), 12447 states have internal predecessors, (15467), 3887 states have call successors, (3887), 1016 states have call predecessors, (3887), 1016 states have return successors, (3951), 3811 states have call predecessors, (3951), 3887 states have call successors, (3951) [2021-11-17 06:34:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17123 states to 17123 states and 23305 transitions. [2021-11-17 06:34:39,581 INFO L78 Accepts]: Start accepts. Automaton has 17123 states and 23305 transitions. Word has length 193 [2021-11-17 06:34:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:39,582 INFO L470 AbstractCegarLoop]: Abstraction has 17123 states and 23305 transitions. [2021-11-17 06:34:39,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-17 06:34:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 17123 states and 23305 transitions. [2021-11-17 06:34:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-17 06:34:39,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:39,591 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 06:34:39,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:34:39,591 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2102066381, now seen corresponding path program 1 times [2021-11-17 06:34:39,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:39,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148323056] [2021-11-17 06:34:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:39,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:34:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:34:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 06:34:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 06:34:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 06:34:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 06:34:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:34:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 06:34:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 06:34:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 06:34:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-17 06:34:39,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:39,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148323056] [2021-11-17 06:34:39,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148323056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:39,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:39,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:39,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736063460] [2021-11-17 06:34:39,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:39,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:39,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:39,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:39,803 INFO L87 Difference]: Start difference. First operand 17123 states and 23305 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-17 06:34:42,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:34:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:44,939 INFO L93 Difference]: Finished difference Result 35614 states and 48413 transitions. [2021-11-17 06:34:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:34:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 213 [2021-11-17 06:34:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:44,997 INFO L225 Difference]: With dead ends: 35614 [2021-11-17 06:34:44,997 INFO L226 Difference]: Without dead ends: 18514 [2021-11-17 06:34:45,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:34:45,038 INFO L933 BasicCegarLoop]: 2053 mSDtfsCounter, 2309 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 1519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 4620 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1519 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:45,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2411 Valid, 4620 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1519 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-17 06:34:45,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18514 states. [2021-11-17 06:34:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18514 to 17849. [2021-11-17 06:34:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17849 states, 12742 states have (on average 1.2617328519855595) internal successors, (16077), 12975 states have internal predecessors, (16077), 4009 states have call successors, (4009), 1097 states have call predecessors, (4009), 1097 states have return successors, (4073), 3933 states have call predecessors, (4073), 4009 states have call successors, (4073) [2021-11-17 06:34:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17849 states to 17849 states and 24159 transitions. [2021-11-17 06:34:45,599 INFO L78 Accepts]: Start accepts. Automaton has 17849 states and 24159 transitions. Word has length 213 [2021-11-17 06:34:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:45,599 INFO L470 AbstractCegarLoop]: Abstraction has 17849 states and 24159 transitions. [2021-11-17 06:34:45,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-17 06:34:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 17849 states and 24159 transitions. [2021-11-17 06:34:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-17 06:34:45,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:45,607 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:34:45,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:34:45,607 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:45,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:45,607 INFO L85 PathProgramCache]: Analyzing trace with hash -664140233, now seen corresponding path program 1 times [2021-11-17 06:34:45,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:45,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472552998] [2021-11-17 06:34:45,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:45,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:34:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 06:34:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 06:34:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-17 06:34:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 06:34:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:34:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:34:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 06:34:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 06:34:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 06:34:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 06:34:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:34:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 06:34:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-17 06:34:45,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:45,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472552998] [2021-11-17 06:34:45,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472552998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:45,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:45,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:45,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871277576] [2021-11-17 06:34:45,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:45,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:45,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:45,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:45,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:45,827 INFO L87 Difference]: Start difference. First operand 17849 states and 24159 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 06:34:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:50,540 INFO L93 Difference]: Finished difference Result 49235 states and 66991 transitions. [2021-11-17 06:34:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:34:50,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 234 [2021-11-17 06:34:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:50,653 INFO L225 Difference]: With dead ends: 49235 [2021-11-17 06:34:50,654 INFO L226 Difference]: Without dead ends: 31409 [2021-11-17 06:34:50,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:34:50,694 INFO L933 BasicCegarLoop]: 2065 mSDtfsCounter, 3790 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 2345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3994 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 4571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:50,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3994 Valid, 4630 Invalid, 4571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2345 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-17 06:34:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31409 states. [2021-11-17 06:34:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31409 to 30233. [2021-11-17 06:34:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30233 states, 21446 states have (on average 1.2671360626690291) internal successors, (27175), 21872 states have internal predecessors, (27175), 6876 states have call successors, (6876), 1914 states have call predecessors, (6876), 1910 states have return successors, (7004), 6712 states have call predecessors, (7004), 6876 states have call successors, (7004) [2021-11-17 06:34:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30233 states to 30233 states and 41055 transitions. [2021-11-17 06:34:51,747 INFO L78 Accepts]: Start accepts. Automaton has 30233 states and 41055 transitions. Word has length 234 [2021-11-17 06:34:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:51,748 INFO L470 AbstractCegarLoop]: Abstraction has 30233 states and 41055 transitions. [2021-11-17 06:34:51,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 06:34:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30233 states and 41055 transitions. [2021-11-17 06:34:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-17 06:34:51,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:51,754 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 9, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:34:51,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:34:51,754 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:51,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1983878711, now seen corresponding path program 1 times [2021-11-17 06:34:51,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:51,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920214126] [2021-11-17 06:34:51,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:51,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:34:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 06:34:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:34:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 06:34:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 06:34:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 06:34:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:34:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 06:34:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 06:34:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 06:34:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:34:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 06:34:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:34:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-11-17 06:34:51,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:51,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920214126] [2021-11-17 06:34:51,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920214126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:51,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:51,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:34:51,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558918148] [2021-11-17 06:34:51,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:51,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:34:51,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:51,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:34:51,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:34:51,987 INFO L87 Difference]: Start difference. First operand 30233 states and 41055 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 06:34:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:34:54,931 INFO L93 Difference]: Finished difference Result 72393 states and 98452 transitions. [2021-11-17 06:34:54,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:34:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 242 [2021-11-17 06:34:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:34:55,095 INFO L225 Difference]: With dead ends: 72393 [2021-11-17 06:34:55,095 INFO L226 Difference]: Without dead ends: 42239 [2021-11-17 06:34:55,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:55,170 INFO L933 BasicCegarLoop]: 2841 mSDtfsCounter, 1945 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 5473 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:34:55,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2204 Valid, 5473 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 06:34:55,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42239 states. [2021-11-17 06:34:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42239 to 40585. [2021-11-17 06:34:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40585 states, 28864 states have (on average 1.2640313192904655) internal successors, (36485), 29416 states have internal predecessors, (36485), 9106 states have call successors, (9106), 2618 states have call predecessors, (9106), 2614 states have return successors, (9234), 8906 states have call predecessors, (9234), 9106 states have call successors, (9234) [2021-11-17 06:34:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40585 states to 40585 states and 54825 transitions. [2021-11-17 06:34:56,602 INFO L78 Accepts]: Start accepts. Automaton has 40585 states and 54825 transitions. Word has length 242 [2021-11-17 06:34:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:34:56,603 INFO L470 AbstractCegarLoop]: Abstraction has 40585 states and 54825 transitions. [2021-11-17 06:34:56,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 06:34:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 40585 states and 54825 transitions. [2021-11-17 06:34:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-17 06:34:56,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:34:56,610 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:34:56,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 06:34:56,610 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:34:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:34:56,611 INFO L85 PathProgramCache]: Analyzing trace with hash 983179742, now seen corresponding path program 1 times [2021-11-17 06:34:56,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:34:56,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934729131] [2021-11-17 06:34:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:34:56,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:34:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:34:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:34:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:34:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:34:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:34:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:34:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:34:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:34:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:34:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:34:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:34:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 06:34:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:34:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 06:34:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:34:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:34:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 06:34:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 06:34:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 06:34:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:34:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 06:34:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 06:34:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 06:34:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:34:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:34:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:34:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:34:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 06:34:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 06:34:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:34:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-17 06:34:56,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:34:56,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934729131] [2021-11-17 06:34:56,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934729131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:34:56,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:34:56,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:34:56,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726902774] [2021-11-17 06:34:56,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:34:56,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:34:56,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:34:56,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:34:56,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:34:56,838 INFO L87 Difference]: Start difference. First operand 40585 states and 54825 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-17 06:35:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:35:03,101 INFO L93 Difference]: Finished difference Result 122765 states and 166368 transitions. [2021-11-17 06:35:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:35:03,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2021-11-17 06:35:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:35:03,427 INFO L225 Difference]: With dead ends: 122765 [2021-11-17 06:35:03,427 INFO L226 Difference]: Without dead ends: 82259 [2021-11-17 06:35:03,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:35:03,760 INFO L933 BasicCegarLoop]: 3694 mSDtfsCounter, 2881 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 2401 mSolverCounterSat, 1727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 7555 SdHoareTripleChecker+Invalid, 4128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1727 IncrementalHoareTripleChecker+Valid, 2401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:35:03,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3112 Valid, 7555 Invalid, 4128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1727 Valid, 2401 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-17 06:35:03,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82259 states. [2021-11-17 06:35:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82259 to 78929. [2021-11-17 06:35:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78929 states, 56218 states have (on average 1.2650574549076807) internal successors, (71119), 57242 states have internal predecessors, (71119), 17626 states have call successors, (17626), 5092 states have call predecessors, (17626), 5084 states have return successors, (17882), 17306 states have call predecessors, (17882), 17626 states have call successors, (17882) [2021-11-17 06:35:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78929 states to 78929 states and 106627 transitions. [2021-11-17 06:35:06,346 INFO L78 Accepts]: Start accepts. Automaton has 78929 states and 106627 transitions. Word has length 269 [2021-11-17 06:35:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:35:06,347 INFO L470 AbstractCegarLoop]: Abstraction has 78929 states and 106627 transitions. [2021-11-17 06:35:06,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-17 06:35:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 78929 states and 106627 transitions. [2021-11-17 06:35:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-17 06:35:06,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:35:06,355 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:35:06,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 06:35:06,356 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:35:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:35:06,356 INFO L85 PathProgramCache]: Analyzing trace with hash -664183200, now seen corresponding path program 1 times [2021-11-17 06:35:06,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:35:06,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641611150] [2021-11-17 06:35:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:35:06,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:35:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:35:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:35:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:35:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:35:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:35:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:35:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:35:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:35:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:35:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:35:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:35:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 06:35:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:35:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 06:35:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:35:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 06:35:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 06:35:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 06:35:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:35:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 06:35:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 06:35:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 06:35:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:35:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:35:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:35:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:35:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 06:35:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 06:35:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-17 06:35:06,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:35:06,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641611150] [2021-11-17 06:35:06,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641611150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:35:06,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:35:06,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:35:06,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557727467] [2021-11-17 06:35:06,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:35:06,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:35:06,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:35:06,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:35:06,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:35:06,755 INFO L87 Difference]: Start difference. First operand 78929 states and 106627 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-17 06:35:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:35:12,899 INFO L93 Difference]: Finished difference Result 201161 states and 272445 transitions. [2021-11-17 06:35:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:35:12,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 269 [2021-11-17 06:35:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:35:13,335 INFO L225 Difference]: With dead ends: 201161 [2021-11-17 06:35:13,335 INFO L226 Difference]: Without dead ends: 121790 [2021-11-17 06:35:13,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:35:13,494 INFO L933 BasicCegarLoop]: 2577 mSDtfsCounter, 3533 mSDsluCounter, 2849 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 2190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3762 SdHoareTripleChecker+Valid, 5426 SdHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:35:13,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3762 Valid, 5426 Invalid, 4479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2190 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 06:35:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121790 states. [2021-11-17 06:35:16,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121790 to 116816. [2021-11-17 06:35:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116816 states, 83163 states have (on average 1.265839375683898) internal successors, (105271), 84660 states have internal predecessors, (105271), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2021-11-17 06:35:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116816 states to 116816 states and 157877 transitions. [2021-11-17 06:35:17,159 INFO L78 Accepts]: Start accepts. Automaton has 116816 states and 157877 transitions. Word has length 269 [2021-11-17 06:35:17,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:35:17,160 INFO L470 AbstractCegarLoop]: Abstraction has 116816 states and 157877 transitions. [2021-11-17 06:35:17,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-17 06:35:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 116816 states and 157877 transitions. [2021-11-17 06:35:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-17 06:35:17,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:35:17,169 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 06:35:17,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 06:35:17,170 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:35:17,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:35:17,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2039548921, now seen corresponding path program 1 times [2021-11-17 06:35:17,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:35:17,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690485995] [2021-11-17 06:35:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:35:17,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:35:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:35:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:35:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:35:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:35:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:35:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:35:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:35:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:35:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:35:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:35:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:35:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 06:35:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:35:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 06:35:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:35:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 06:35:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:35:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 06:35:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 06:35:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 06:35:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 06:35:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 06:35:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 06:35:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 06:35:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:35:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 06:35:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:35:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:35:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:35:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:35:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 06:35:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-11-17 06:35:17,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:35:17,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690485995] [2021-11-17 06:35:17,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690485995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:35:17,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:35:17,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:35:17,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856627022] [2021-11-17 06:35:17,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:35:17,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:35:17,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:35:17,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:35:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:35:17,441 INFO L87 Difference]: Start difference. First operand 116816 states and 157877 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 06:35:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:35:24,543 INFO L93 Difference]: Finished difference Result 278387 states and 377006 transitions. [2021-11-17 06:35:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:35:24,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 293 [2021-11-17 06:35:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:35:25,222 INFO L225 Difference]: With dead ends: 278387 [2021-11-17 06:35:25,222 INFO L226 Difference]: Without dead ends: 161321 [2021-11-17 06:35:25,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:35:25,699 INFO L933 BasicCegarLoop]: 3337 mSDtfsCounter, 3350 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 1902 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3578 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 4257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1902 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:35:25,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3578 Valid, 7102 Invalid, 4257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1902 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 06:35:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161321 states. [2021-11-17 06:35:29,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161321 to 116816. [2021-11-17 06:35:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116816 states, 83163 states have (on average 1.26582735110566) internal successors, (105270), 84660 states have internal predecessors, (105270), 26113 states have call successors, (26113), 7554 states have call predecessors, (26113), 7539 states have return successors, (26493), 25669 states have call predecessors, (26493), 26109 states have call successors, (26493) [2021-11-17 06:35:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116816 states to 116816 states and 157876 transitions. [2021-11-17 06:35:29,815 INFO L78 Accepts]: Start accepts. Automaton has 116816 states and 157876 transitions. Word has length 293 [2021-11-17 06:35:29,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:35:29,815 INFO L470 AbstractCegarLoop]: Abstraction has 116816 states and 157876 transitions. [2021-11-17 06:35:29,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 4 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-17 06:35:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 116816 states and 157876 transitions. [2021-11-17 06:35:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-17 06:35:29,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:35:29,826 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 06:35:29,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 06:35:29,826 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:35:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:35:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash 608055433, now seen corresponding path program 1 times [2021-11-17 06:35:29,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:35:29,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478618838] [2021-11-17 06:35:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:35:29,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:35:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:35:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:35:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:35:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:35:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:35:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:35:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:35:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:35:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:35:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 06:35:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 06:35:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 06:35:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:35:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 06:35:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:35:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:35:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 06:35:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:35:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 06:35:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 06:35:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 06:35:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 06:35:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 06:35:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 06:35:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 06:35:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:35:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 06:35:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:35:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:35:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:35:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:35:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 06:35:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:35:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2021-11-17 06:35:30,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:35:30,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478618838] [2021-11-17 06:35:30,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478618838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:35:30,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:35:30,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:35:30,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047282357] [2021-11-17 06:35:30,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:35:30,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:35:30,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:35:30,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:35:30,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:35:30,197 INFO L87 Difference]: Start difference. First operand 116816 states and 157876 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 06:35:33,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:35:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:35:39,139 INFO L93 Difference]: Finished difference Result 238525 states and 324728 transitions. [2021-11-17 06:35:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:35:39,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2021-11-17 06:35:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:35:39,612 INFO L225 Difference]: With dead ends: 238525 [2021-11-17 06:35:39,612 INFO L226 Difference]: Without dead ends: 121788 [2021-11-17 06:35:39,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:35:39,892 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 2815 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 3631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:35:39,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2980 Valid, 3986 Invalid, 3631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 06:35:39,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121788 states.