./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-micrel-ksz884x.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-micrel-ksz884x.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 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 06:38:43,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 06:38:43,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 06:38:43,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 06:38:43,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 06:38:43,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 06:38:43,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 06:38:43,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 06:38:43,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 06:38:43,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 06:38:43,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 06:38:43,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 06:38:43,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 06:38:43,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 06:38:43,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 06:38:43,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 06:38:43,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 06:38:43,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 06:38:43,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 06:38:43,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 06:38:43,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 06:38:43,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 06:38:43,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 06:38:43,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 06:38:43,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 06:38:43,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 06:38:43,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 06:38:43,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 06:38:43,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 06:38:43,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 06:38:43,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 06:38:43,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 06:38:43,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 06:38:43,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 06:38:43,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 06:38:43,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 06:38:43,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 06:38:43,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 06:38:43,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 06:38:43,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 06:38:43,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 06:38:43,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 06:38:43,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 06:38:43,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 06:38:43,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 06:38:43,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 06:38:43,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 06:38:43,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 06:38:43,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 06:38:43,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 06:38:43,529 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 06:38:43,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 06:38:43,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 06:38:43,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 06:38:43,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 06:38:43,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 06:38:43,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 06:38:43,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 06:38:43,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 06:38:43,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 06:38:43,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 06:38:43,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 06:38:43,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 06:38:43,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:38:43,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 06:38:43,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 06:38:43,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 06:38:43,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 06:38:43,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 06:38:43,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 06:38:43,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 06:38:43,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 06:38:43,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 06:38:43,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-17 06:38:43,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 06:38:43,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 06:38:43,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 06:38:43,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 06:38:43,823 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 06:38:43,825 INFO L432 ainManager$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-micrel-ksz884x.cil.i [2021-11-17 06:38:43,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71052314e/7cc84392c6ed482eb188e38a5c12ef0d/FLAG8c1e96ee6 [2021-11-17 06:38:44,799 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 06:38:44,800 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-micrel-ksz884x.cil.i [2021-11-17 06:38:44,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71052314e/7cc84392c6ed482eb188e38a5c12ef0d/FLAG8c1e96ee6 [2021-11-17 06:38:45,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71052314e/7cc84392c6ed482eb188e38a5c12ef0d [2021-11-17 06:38:45,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 06:38:45,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 06:38:45,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 06:38:45,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 06:38:45,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 06:38:45,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:38:45" (1/1) ... [2021-11-17 06:38:45,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba26169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:45, skipping insertion in model container [2021-11-17 06:38:45,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:38:45" (1/1) ... [2021-11-17 06:38:45,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 06:38:45,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 06:38:50,682 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-micrel-ksz884x.cil.i[446625,446638] [2021-11-17 06:38:50,685 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-micrel-ksz884x.cil.i[446770,446783] [2021-11-17 06:38:50,730 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:38:50,806 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 06:38:51,215 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-micrel-ksz884x.cil.i[446625,446638] [2021-11-17 06:38:51,215 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-micrel-ksz884x.cil.i[446770,446783] [2021-11-17 06:38:51,223 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:38:51,503 INFO L208 MainTranslator]: Completed translation [2021-11-17 06:38:51,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51 WrapperNode [2021-11-17 06:38:51,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 06:38:51,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 06:38:51,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 06:38:51,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 06:38:51,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:51,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:51,989 INFO L137 Inliner]: procedures = 661, calls = 4743, calls flagged for inlining = 357, calls inlined = 344, statements flattened = 10393 [2021-11-17 06:38:51,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 06:38:51,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 06:38:51,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 06:38:51,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 06:38:52,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 06:38:52,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 06:38:52,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 06:38:52,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 06:38:52,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (1/1) ... [2021-11-17 06:38:52,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:38:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:38:52,505 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 06:38:52,523 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 06:38:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 06:38:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 06:38:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 06:38:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 06:38:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-17 06:38:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-17 06:38:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 06:38:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 06:38:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-17 06:38:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-17 06:38:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 06:38:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 06:38:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 06:38:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 06:38:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-17 06:38:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-17 06:38:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-17 06:38:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-17 06:38:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-17 06:38:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-17 06:38:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2021-11-17 06:38:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2021-11-17 06:38:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-17 06:38:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-17 06:38:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-17 06:38:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-17 06:38:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 06:38:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 06:38:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-17 06:38:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-17 06:38:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-17 06:38:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-17 06:38:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-17 06:38:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-17 06:38:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-17 06:38:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-17 06:38:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 06:38:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 06:38:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 06:38:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 06:38:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 06:38:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 06:38:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 06:38:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 06:38:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-17 06:38:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-17 06:38:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 06:38:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 06:38:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 06:38:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 06:38:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 06:38:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 06:38:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-17 06:38:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-17 06:38:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 06:38:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 06:38:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 06:38:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-17 06:38:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-17 06:38:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-17 06:38:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-17 06:38:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-17 06:38:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-17 06:38:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-17 06:38:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-17 06:38:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-17 06:38:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-17 06:38:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-17 06:38:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-17 06:38:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 06:38:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 06:38:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-17 06:38:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-17 06:38:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-17 06:38:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-17 06:38:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-17 06:38:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-17 06:38:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-17 06:38:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-17 06:38:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 06:38:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-17 06:38:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-17 06:38:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 06:38:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 06:38:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 06:38:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-17 06:38:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-17 06:38:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 06:38:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 06:38:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-17 06:38:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-17 06:38:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-17 06:38:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-17 06:38:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 06:38:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 06:38:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 06:38:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-17 06:38:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-17 06:38:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 06:38:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 06:38:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 06:38:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 06:38:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-17 06:38:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-17 06:38:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 06:38:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 06:38:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 06:38:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 06:38:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 06:38:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 06:38:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 06:38:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 06:38:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-17 06:38:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-17 06:38:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-17 06:38:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-17 06:38:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-17 06:38:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-17 06:38:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 06:38:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 06:38:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 06:38:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 06:38:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 06:38:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 06:38:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-17 06:38:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-17 06:38:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-17 06:38:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-17 06:38:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 06:38:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 06:38:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 06:38:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 06:38:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 06:38:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:38:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:38:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-17 06:38:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-17 06:38:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-17 06:38:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-17 06:38:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:38:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:38:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-17 06:38:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-17 06:38:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:38:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:38:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 06:38:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 06:38:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-17 06:38:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-17 06:38:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-17 06:38:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-17 06:38:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 06:38:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 06:38:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-17 06:38:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-17 06:38:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 06:38:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 06:38:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-17 06:38:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-17 06:38:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 06:38:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 06:38:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-17 06:38:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-17 06:38:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 06:38:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 06:38:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 06:38:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 06:38:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 06:38:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 06:38:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-17 06:38:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-17 06:38:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-17 06:38:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-17 06:38:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-17 06:38:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-17 06:38:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 06:38:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 06:38:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 06:38:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 06:38:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-17 06:38:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-17 06:38:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-17 06:38:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-17 06:38:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-17 06:38:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-17 06:38:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-17 06:38:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-17 06:38:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-17 06:38:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-17 06:38:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-17 06:38:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-17 06:38:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-17 06:38:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-17 06:38:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 06:38:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 06:38:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-17 06:38:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-17 06:38:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-17 06:38:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-17 06:38:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-17 06:38:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-17 06:38:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 06:38:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 06:38:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-17 06:38:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-17 06:38:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 06:38:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 06:38:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-17 06:38:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-17 06:38:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-17 06:38:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-17 06:38:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-17 06:38:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-17 06:38:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 06:38:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 06:38:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 06:38:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 06:38:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 06:38:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 06:38:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 06:38:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-17 06:38:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-17 06:38:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 06:38:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-17 06:38:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-17 06:38:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 06:38:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 06:38:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-17 06:38:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-17 06:38:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 06:38:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 06:38:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-17 06:38:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-17 06:38:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2021-11-17 06:38:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2021-11-17 06:38:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 06:38:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-17 06:38:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-17 06:38:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 06:38:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 06:38:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 06:38:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 06:38:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 06:38:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 06:38:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 06:38:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 06:38:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 06:38:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 06:38:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-17 06:38:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-17 06:38:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 06:38:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 06:38:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-17 06:38:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-17 06:38:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-17 06:38:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-17 06:38:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-17 06:38:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-17 06:38:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-17 06:38:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-17 06:38:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 06:38:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 06:38:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-17 06:38:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-17 06:38:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-17 06:38:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-17 06:38:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 06:38:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 06:38:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-17 06:38:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-17 06:38:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 06:38:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 06:38:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-17 06:38:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-17 06:38:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-17 06:38:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-17 06:38:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-17 06:38:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-17 06:38:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 06:38:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 06:38:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 06:38:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 06:38:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 06:38:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-17 06:38:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-17 06:38:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 06:38:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 06:38:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-17 06:38:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-17 06:38:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-17 06:38:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-17 06:38:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-17 06:38:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-17 06:38:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-17 06:38:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-17 06:38:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-17 06:38:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-17 06:38:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-17 06:38:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-17 06:38:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 06:38:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 06:38:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-17 06:38:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-17 06:38:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-17 06:38:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-17 06:38:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-17 06:38:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-17 06:38:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-17 06:38:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-17 06:38:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-17 06:38:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-17 06:38:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-17 06:38:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-17 06:38:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 06:38:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 06:38:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-17 06:38:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-17 06:38:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-17 06:38:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-17 06:38:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-17 06:38:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-17 06:38:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-17 06:38:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-17 06:38:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 06:38:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 06:38:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 06:38:52,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 06:38:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-17 06:38:52,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-17 06:38:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-17 06:38:52,596 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-17 06:38:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-17 06:38:52,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-17 06:38:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-17 06:38:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-17 06:38:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 06:38:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 06:38:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-17 06:38:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-17 06:38:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 06:38:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 06:38:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 06:38:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-17 06:38:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-17 06:38:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 06:38:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 06:38:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-17 06:38:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-17 06:38:54,003 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 06:38:54,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 06:38:58,099 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:39:12,359 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 06:39:12,468 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:39:12,498 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:39:12,498 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-17 06:39:12,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:39:12 BoogieIcfgContainer [2021-11-17 06:39:12,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:39:12,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:39:12,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:39:12,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:39:12,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:38:45" (1/3) ... [2021-11-17 06:39:12,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1775a029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:39:12, skipping insertion in model container [2021-11-17 06:39:12,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:38:51" (2/3) ... [2021-11-17 06:39:12,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1775a029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:39:12, skipping insertion in model container [2021-11-17 06:39:12,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:39:12" (3/3) ... [2021-11-17 06:39:12,517 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-17 06:39:12,522 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:39:12,523 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:39:12,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:39:12,592 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 06:39:12,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:39:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2021-11-17 06:39:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-17 06:39:12,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:39:12,771 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:12,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:39:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:39:12,779 INFO L85 PathProgramCache]: Analyzing trace with hash -713587604, now seen corresponding path program 1 times [2021-11-17 06:39:12,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:39:12,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001845578] [2021-11-17 06:39:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:39:12,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:39:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:39:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:39:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:39:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:39:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:39:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:39:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:39:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:39:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:39:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:39:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:39:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:39:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:39:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:39:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:39:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:39:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:39:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:39:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:39:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:39:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 06:39:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:39:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 06:39:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 06:39:14,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:39:14,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001845578] [2021-11-17 06:39:14,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001845578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:39:14,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:39:14,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:39:14,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618244242] [2021-11-17 06:39:14,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:39:14,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:39:14,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:39:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:39:14,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:39:14,193 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:39:16,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:18,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:21,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:24,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:28,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:36,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:39:36,256 INFO L93 Difference]: Finished difference Result 9097 states and 12773 transitions. [2021-11-17 06:39:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:39:36,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 276 [2021-11-17 06:39:36,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:39:36,317 INFO L225 Difference]: With dead ends: 9097 [2021-11-17 06:39:36,318 INFO L226 Difference]: Without dead ends: 5878 [2021-11-17 06:39:36,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 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 06:39:36,341 INFO L933 BasicCegarLoop]: 4554 mSDtfsCounter, 4929 mSDsluCounter, 5127 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 2179 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5465 SdHoareTripleChecker+Valid, 9681 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2179 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:39:36,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5465 Valid, 9681 Invalid, 4867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2179 Valid, 2684 Invalid, 4 Unknown, 0 Unchecked, 21.3s Time] [2021-11-17 06:39:36,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2021-11-17 06:39:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5573. [2021-11-17 06:39:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5573 states, 3941 states have (on average 1.2852068003044912) internal successors, (5065), 4059 states have internal predecessors, (5065), 1302 states have call successors, (1302), 326 states have call predecessors, (1302), 329 states have return successors, (1310), 1275 states have call predecessors, (1310), 1302 states have call successors, (1310) [2021-11-17 06:39:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 7677 transitions. [2021-11-17 06:39:36,711 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 7677 transitions. Word has length 276 [2021-11-17 06:39:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:39:36,716 INFO L470 AbstractCegarLoop]: Abstraction has 5573 states and 7677 transitions. [2021-11-17 06:39:36,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:39:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 7677 transitions. [2021-11-17 06:39:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-17 06:39:36,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:39:36,732 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:36,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:39:36,733 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:39:36,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:39:36,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2004072259, now seen corresponding path program 1 times [2021-11-17 06:39:36,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:39:36,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887519470] [2021-11-17 06:39:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:39:36,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:39:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:39:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:39:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:39:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:39:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:39:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:39:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:39:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:39:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:39:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:39:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:39:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:39:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:39:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:39:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:39:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:39:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:39:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:39:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:39:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:39:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 06:39:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 06:39:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:39:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:39:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:39:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-17 06:39:37,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:39:37,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887519470] [2021-11-17 06:39:37,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887519470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:39:37,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:39:37,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:39:37,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458133837] [2021-11-17 06:39:37,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:39:37,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:39:37,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:39:37,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:39:37,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:39:37,621 INFO L87 Difference]: Start difference. First operand 5573 states and 7677 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:39:40,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:42,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:44,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:46,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:48,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:51,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:54,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:39:59,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:04,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:04,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:40:04,335 INFO L93 Difference]: Finished difference Result 15524 states and 21384 transitions. [2021-11-17 06:40:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:40:04,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 285 [2021-11-17 06:40:04,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:40:04,401 INFO L225 Difference]: With dead ends: 15524 [2021-11-17 06:40:04,401 INFO L226 Difference]: Without dead ends: 9994 [2021-11-17 06:40:04,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 06:40:04,428 INFO L933 BasicCegarLoop]: 5494 mSDtfsCounter, 4507 mSDsluCounter, 5623 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 1777 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 11117 SdHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:40:04,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5055 Valid, 11117 Invalid, 4376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1777 Valid, 2594 Invalid, 5 Unknown, 0 Unchecked, 26.1s Time] [2021-11-17 06:40:04,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-17 06:40:04,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9458. [2021-11-17 06:40:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9458 states, 6700 states have (on average 1.2829850746268656) internal successors, (8596), 6893 states have internal predecessors, (8596), 2160 states have call successors, (2160), 594 states have call predecessors, (2160), 597 states have return successors, (2168), 2123 states have call predecessors, (2168), 2160 states have call successors, (2168) [2021-11-17 06:40:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9458 states to 9458 states and 12924 transitions. [2021-11-17 06:40:04,802 INFO L78 Accepts]: Start accepts. Automaton has 9458 states and 12924 transitions. Word has length 285 [2021-11-17 06:40:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:40:04,804 INFO L470 AbstractCegarLoop]: Abstraction has 9458 states and 12924 transitions. [2021-11-17 06:40:04,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:40:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 9458 states and 12924 transitions. [2021-11-17 06:40:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-17 06:40:04,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:40:04,815 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:40:04,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:40:04,816 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:40:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:40:04,817 INFO L85 PathProgramCache]: Analyzing trace with hash -359255652, now seen corresponding path program 1 times [2021-11-17 06:40:04,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:40:04,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886668209] [2021-11-17 06:40:04,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:40:04,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:40:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:40:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:40:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:40:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:40:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:40:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:40:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:40:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:40:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:40:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:40:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:40:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:40:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:40:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:40:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:40:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:40:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:40:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:40:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:40:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:40:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:40:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:40:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 06:40:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:40:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:40:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 06:40:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-17 06:40:05,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:40:05,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886668209] [2021-11-17 06:40:05,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886668209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:40:05,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:40:05,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:40:05,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413579365] [2021-11-17 06:40:05,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:40:05,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:40:05,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:40:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:40:05,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:40:05,561 INFO L87 Difference]: Start difference. First operand 9458 states and 12924 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 06:40:07,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:10,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:14,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:16,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:21,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:26,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:30,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:40:32,839 INFO L93 Difference]: Finished difference Result 27813 states and 38147 transitions. [2021-11-17 06:40:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:40:32,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 304 [2021-11-17 06:40:32,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:40:32,963 INFO L225 Difference]: With dead ends: 27813 [2021-11-17 06:40:32,964 INFO L226 Difference]: Without dead ends: 18398 [2021-11-17 06:40:33,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 06:40:33,021 INFO L933 BasicCegarLoop]: 5704 mSDtfsCounter, 5185 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 2023 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5828 SdHoareTripleChecker+Valid, 11291 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2023 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:40:33,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5828 Valid, 11291 Invalid, 4718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2023 Valid, 2689 Invalid, 6 Unknown, 0 Unchecked, 26.5s Time] [2021-11-17 06:40:33,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18398 states. [2021-11-17 06:40:33,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18398 to 17414. [2021-11-17 06:40:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17414 states, 12331 states have (on average 1.281242397210283) internal successors, (15799), 12687 states have internal predecessors, (15799), 3971 states have call successors, (3971), 1101 states have call predecessors, (3971), 1111 states have return successors, (4019), 3897 states have call predecessors, (4019), 3971 states have call successors, (4019) [2021-11-17 06:40:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17414 states to 17414 states and 23789 transitions. [2021-11-17 06:40:33,801 INFO L78 Accepts]: Start accepts. Automaton has 17414 states and 23789 transitions. Word has length 304 [2021-11-17 06:40:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:40:33,802 INFO L470 AbstractCegarLoop]: Abstraction has 17414 states and 23789 transitions. [2021-11-17 06:40:33,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 06:40:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 17414 states and 23789 transitions. [2021-11-17 06:40:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-17 06:40:33,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:40:33,817 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:40:33,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:40:33,818 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:40:33,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:40:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash 758625428, now seen corresponding path program 1 times [2021-11-17 06:40:33,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:40:33,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053460713] [2021-11-17 06:40:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:40:33,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:40:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:40:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:40:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:40:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:40:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:40:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:40:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:40:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:40:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:40:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:40:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:40:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:40:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:40:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:40:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:40:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:40:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:40:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:40:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:40:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:40:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:40:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 06:40:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 06:40:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 06:40:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 06:40:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:40:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:40:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 06:40:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:40:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:40:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2021-11-17 06:40:34,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:40:34,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053460713] [2021-11-17 06:40:34,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053460713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:40:34,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:40:34,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:40:34,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212491075] [2021-11-17 06:40:34,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:40:34,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:40:34,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:40:34,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:40:34,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:40:34,558 INFO L87 Difference]: Start difference. First operand 17414 states and 23789 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 06:40:36,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:40,323 WARN L515 Checker$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 06:40:41,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:42,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:43,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:46,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:48,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:56,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:40:58,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:41:00,894 INFO L93 Difference]: Finished difference Result 54036 states and 74106 transitions. [2021-11-17 06:41:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:41:00,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 329 [2021-11-17 06:41:00,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:41:01,101 INFO L225 Difference]: With dead ends: 54036 [2021-11-17 06:41:01,102 INFO L226 Difference]: Without dead ends: 36665 [2021-11-17 06:41:01,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 06:41:01,185 INFO L933 BasicCegarLoop]: 5770 mSDtfsCounter, 5266 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 2714 mSolverCounterSat, 2027 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5926 SdHoareTripleChecker+Valid, 11371 SdHoareTripleChecker+Invalid, 4745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2027 IncrementalHoareTripleChecker+Valid, 2714 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:41:01,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5926 Valid, 11371 Invalid, 4745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2027 Valid, 2714 Invalid, 4 Unknown, 0 Unchecked, 25.3s Time] [2021-11-17 06:41:01,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36665 states. [2021-11-17 06:41:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36665 to 34707. [2021-11-17 06:41:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34707 states, 24569 states have (on average 1.2813301314664822) internal successors, (31481), 25293 states have internal predecessors, (31481), 7915 states have call successors, (7915), 2202 states have call predecessors, (7915), 2222 states have return successors, (8011), 7755 states have call predecessors, (8011), 7915 states have call successors, (8011) [2021-11-17 06:41:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34707 states to 34707 states and 47407 transitions. [2021-11-17 06:41:02,634 INFO L78 Accepts]: Start accepts. Automaton has 34707 states and 47407 transitions. Word has length 329 [2021-11-17 06:41:02,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:41:02,640 INFO L470 AbstractCegarLoop]: Abstraction has 34707 states and 47407 transitions. [2021-11-17 06:41:02,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 06:41:02,640 INFO L276 IsEmpty]: Start isEmpty. Operand 34707 states and 47407 transitions. [2021-11-17 06:41:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-17 06:41:02,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:41:02,663 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:41:02,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:41:02,664 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:41:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:41:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash 294241395, now seen corresponding path program 1 times [2021-11-17 06:41:02,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:41:02,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008103612] [2021-11-17 06:41:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:41:02,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:41:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:41:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:41:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:41:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:41:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:41:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:41:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:41:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:41:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:41:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:41:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:41:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:41:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:41:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:41:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:41:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:41:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:41:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:41:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:41:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:41:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 06:41:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:41:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 06:41:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 06:41:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 06:41:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 06:41:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 06:41:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 06:41:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 06:41:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 06:41:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-17 06:41:03,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:41:03,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008103612] [2021-11-17 06:41:03,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008103612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:41:03,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:41:03,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:41:03,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674422296] [2021-11-17 06:41:03,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:41:03,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:41:03,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:41:03,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:41:03,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:41:03,529 INFO L87 Difference]: Start difference. First operand 34707 states and 47407 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 06:41:05,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:07,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:13,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:16,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:21,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:41:23,053 INFO L93 Difference]: Finished difference Result 71786 states and 98218 transitions. [2021-11-17 06:41:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:41:23,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 349 [2021-11-17 06:41:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:41:23,296 INFO L225 Difference]: With dead ends: 71786 [2021-11-17 06:41:23,297 INFO L226 Difference]: Without dead ends: 37122 [2021-11-17 06:41:23,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 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 06:41:23,441 INFO L933 BasicCegarLoop]: 4172 mSDtfsCounter, 1580 mSDsluCounter, 5083 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 895 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 9255 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 895 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:41:23,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 9255 Invalid, 2915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [895 Valid, 2015 Invalid, 5 Unknown, 0 Unchecked, 18.4s Time] [2021-11-17 06:41:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37122 states. [2021-11-17 06:41:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37122 to 35182. [2021-11-17 06:41:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35182 states, 24907 states have (on average 1.27980085919621) internal successors, (31876), 25638 states have internal predecessors, (31876), 7983 states have call successors, (7983), 2271 states have call predecessors, (7983), 2291 states have return successors, (8079), 7823 states have call predecessors, (8079), 7983 states have call successors, (8079) [2021-11-17 06:41:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35182 states to 35182 states and 47938 transitions. [2021-11-17 06:41:24,883 INFO L78 Accepts]: Start accepts. Automaton has 35182 states and 47938 transitions. Word has length 349 [2021-11-17 06:41:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:41:24,884 INFO L470 AbstractCegarLoop]: Abstraction has 35182 states and 47938 transitions. [2021-11-17 06:41:24,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 06:41:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 35182 states and 47938 transitions. [2021-11-17 06:41:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-17 06:41:24,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:41:24,905 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 20, 20, 20, 20, 20, 20, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:41:24,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:41:24,905 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:41:24,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:41:24,906 INFO L85 PathProgramCache]: Analyzing trace with hash -272074642, now seen corresponding path program 1 times [2021-11-17 06:41:24,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:41:24,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176700558] [2021-11-17 06:41:24,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:41:24,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:41:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:41:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:41:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:41:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:41:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:41:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:41:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:41:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:41:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:41:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:41:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:41:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:41:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:41:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:41:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:41:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:41:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:41:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:41:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:41:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:41:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:41:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:41:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:41:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 06:41:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 06:41:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 06:41:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:41:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 06:41:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 06:41:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 06:41:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2008 trivial. 0 not checked. [2021-11-17 06:41:25,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:41:25,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176700558] [2021-11-17 06:41:25,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176700558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:41:25,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:41:25,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:41:25,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792853068] [2021-11-17 06:41:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:41:25,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:41:25,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:41:25,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:41:25,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:41:25,670 INFO L87 Difference]: Start difference. First operand 35182 states and 47938 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 06:41:27,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:30,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:31,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:33,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:35,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:37,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:44,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:49,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:49,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:41:49,657 INFO L93 Difference]: Finished difference Result 85654 states and 116965 transitions. [2021-11-17 06:41:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:41:49,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 349 [2021-11-17 06:41:49,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:41:50,099 INFO L225 Difference]: With dead ends: 85654 [2021-11-17 06:41:50,100 INFO L226 Difference]: Without dead ends: 50838 [2021-11-17 06:41:50,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:41:50,233 INFO L933 BasicCegarLoop]: 6068 mSDtfsCounter, 4351 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 1659 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4897 SdHoareTripleChecker+Valid, 11990 SdHoareTripleChecker+Invalid, 4262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:41:50,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4897 Valid, 11990 Invalid, 4262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1659 Valid, 2598 Invalid, 5 Unknown, 0 Unchecked, 22.6s Time] [2021-11-17 06:41:50,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50838 states. [2021-11-17 06:41:51,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50838 to 48148. [2021-11-17 06:41:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48148 states, 34073 states have (on average 1.2781381152231972) internal successors, (43550), 35066 states have internal predecessors, (43550), 10851 states have call successors, (10851), 3195 states have call predecessors, (10851), 3223 states have return successors, (10963), 10649 states have call predecessors, (10963), 10851 states have call successors, (10963) [2021-11-17 06:41:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48148 states to 48148 states and 65364 transitions. [2021-11-17 06:41:51,933 INFO L78 Accepts]: Start accepts. Automaton has 48148 states and 65364 transitions. Word has length 349 [2021-11-17 06:41:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:41:51,934 INFO L470 AbstractCegarLoop]: Abstraction has 48148 states and 65364 transitions. [2021-11-17 06:41:51,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 06:41:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48148 states and 65364 transitions. [2021-11-17 06:41:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-17 06:41:51,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:41:51,968 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:51,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:41:51,968 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:41:51,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:41:51,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1990826374, now seen corresponding path program 1 times [2021-11-17 06:41:51,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:41:51,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923616808] [2021-11-17 06:41:51,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:41:51,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:41:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:41:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:41:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:41:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:41:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:41:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:41:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:41:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:41:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:41:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:41:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:41:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:41:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:41:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:41:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:41:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:41:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:41:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:41:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:41:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:41:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:41:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:41:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:41:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 06:41:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 06:41:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 06:41:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 06:41:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 06:41:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 06:41:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 06:41:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 06:41:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 06:41:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 06:41:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:41:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:41:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 06:41:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 06:41:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:41:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2021-11-17 06:41:52,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:41:52,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923616808] [2021-11-17 06:41:52,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923616808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:41:52,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:41:52,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:41:52,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847208061] [2021-11-17 06:41:52,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:41:52,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:41:52,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:41:52,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:41:52,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:41:52,875 INFO L87 Difference]: Start difference. First operand 48148 states and 65364 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:41:54,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:41:57,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:01,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:03,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:07,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:09,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:12,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:18,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:20,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:42:23,418 INFO L93 Difference]: Finished difference Result 147992 states and 201749 transitions. [2021-11-17 06:42:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:42:23,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 405 [2021-11-17 06:42:23,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:42:24,028 INFO L225 Difference]: With dead ends: 147992 [2021-11-17 06:42:24,028 INFO L226 Difference]: Without dead ends: 100210 [2021-11-17 06:42:24,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 06:42:24,208 INFO L933 BasicCegarLoop]: 7402 mSDtfsCounter, 4968 mSDsluCounter, 6614 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 1680 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5621 SdHoareTripleChecker+Valid, 14016 SdHoareTripleChecker+Invalid, 4431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1680 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:42:24,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5621 Valid, 14016 Invalid, 4431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1680 Valid, 2743 Invalid, 8 Unknown, 0 Unchecked, 28.2s Time] [2021-11-17 06:42:24,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100210 states. [2021-11-17 06:42:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100210 to 94848. [2021-11-17 06:42:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94848 states, 67167 states have (on average 1.2788422886238777) internal successors, (85896), 69106 states have internal predecessors, (85896), 21335 states have call successors, (21335), 6289 states have call predecessors, (21335), 6345 states have return successors, (21559), 20971 states have call predecessors, (21559), 21335 states have call successors, (21559) [2021-11-17 06:42:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94848 states to 94848 states and 128790 transitions. [2021-11-17 06:42:27,616 INFO L78 Accepts]: Start accepts. Automaton has 94848 states and 128790 transitions. Word has length 405 [2021-11-17 06:42:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:42:27,617 INFO L470 AbstractCegarLoop]: Abstraction has 94848 states and 128790 transitions. [2021-11-17 06:42:27,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:42:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 94848 states and 128790 transitions. [2021-11-17 06:42:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-17 06:42:27,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:42:27,659 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:27,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 06:42:27,659 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:42:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:42:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1921178500, now seen corresponding path program 1 times [2021-11-17 06:42:27,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:42:27,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039162760] [2021-11-17 06:42:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:42:27,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:42:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:42:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:42:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:42:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:42:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:42:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:42:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:42:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:42:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:42:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:42:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:42:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:42:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:42:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:42:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:42:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:42:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:42:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:42:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:42:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:42:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:42:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:42:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:42:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 06:42:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 06:42:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 06:42:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 06:42:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 06:42:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 06:42:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 06:42:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 06:42:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 06:42:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 06:42:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:42:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:42:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 06:42:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 06:42:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:42:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2021-11-17 06:42:28,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:42:28,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039162760] [2021-11-17 06:42:28,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039162760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:42:28,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:42:28,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:42:28,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514219028] [2021-11-17 06:42:28,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:42:28,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:42:28,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:42:28,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:42:28,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:42:28,579 INFO L87 Difference]: Start difference. First operand 94848 states and 128790 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:42:30,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:32,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:38,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:40,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:41,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:44,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:47,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:50,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:57,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:42:59,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:43:03,300 INFO L93 Difference]: Finished difference Result 244096 states and 332613 transitions. [2021-11-17 06:43:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:43:03,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 405 [2021-11-17 06:43:03,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:43:04,452 INFO L225 Difference]: With dead ends: 244096 [2021-11-17 06:43:04,452 INFO L226 Difference]: Without dead ends: 148338 [2021-11-17 06:43:04,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 06:43:04,749 INFO L933 BasicCegarLoop]: 8099 mSDtfsCounter, 4658 mSDsluCounter, 6903 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 1510 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 4293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1510 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:43:04,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 15002 Invalid, 4293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1510 Valid, 2775 Invalid, 8 Unknown, 0 Unchecked, 30.9s Time] [2021-11-17 06:43:04,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148338 states. [2021-11-17 06:43:08,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148338 to 140398. [2021-11-17 06:43:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140398 states, 99415 states have (on average 1.2793843987325857) internal successors, (127190), 102276 states have internal predecessors, (127190), 31603 states have call successors, (31603), 9299 states have call predecessors, (31603), 9379 states have return successors, (31932), 31076 states have call predecessors, (31932), 31600 states have call successors, (31932) [2021-11-17 06:43:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140398 states to 140398 states and 190725 transitions. [2021-11-17 06:43:09,833 INFO L78 Accepts]: Start accepts. Automaton has 140398 states and 190725 transitions. Word has length 405 [2021-11-17 06:43:09,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:43:09,834 INFO L470 AbstractCegarLoop]: Abstraction has 140398 states and 190725 transitions. [2021-11-17 06:43:09,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:43:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 140398 states and 190725 transitions. [2021-11-17 06:43:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-17 06:43:09,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:43:09,872 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:09,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 06:43:09,872 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:43:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:43:09,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1805481894, now seen corresponding path program 1 times [2021-11-17 06:43:09,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:43:09,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022775983] [2021-11-17 06:43:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:43:09,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:43:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:43:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:43:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:43:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:43:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:43:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:43:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:43:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:43:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:43:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:43:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:43:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:43:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:43:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:43:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:43:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:43:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:43:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:43:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:43:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:43:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:43:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:43:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:43:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 06:43:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 06:43:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 06:43:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:43:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:43:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:43:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:43:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 06:43:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:43:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:43:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 06:43:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 06:43:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:43:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:43:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 06:43:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2273 trivial. 0 not checked. [2021-11-17 06:43:10,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:43:10,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022775983] [2021-11-17 06:43:10,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022775983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:43:10,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:43:10,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:43:10,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317605694] [2021-11-17 06:43:10,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:43:10,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:43:10,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:43:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:43:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:43:10,637 INFO L87 Difference]: Start difference. First operand 140398 states and 190725 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:43:13,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:15,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:17,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:18,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:20,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:23,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:26,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:27,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:30,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:32,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:37,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:44,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:44,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:43:44,686 INFO L93 Difference]: Finished difference Result 328591 states and 447397 transitions. [2021-11-17 06:43:44,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:43:44,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 423 [2021-11-17 06:43:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:43:45,722 INFO L225 Difference]: With dead ends: 328591 [2021-11-17 06:43:45,722 INFO L226 Difference]: Without dead ends: 187459 [2021-11-17 06:43:46,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 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 06:43:46,380 INFO L933 BasicCegarLoop]: 7200 mSDtfsCounter, 3836 mSDsluCounter, 6386 mSDsCounter, 0 mSdLazyCounter, 2636 mSolverCounterSat, 1428 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4383 SdHoareTripleChecker+Valid, 13586 SdHoareTripleChecker+Invalid, 4071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1428 IncrementalHoareTripleChecker+Valid, 2636 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:43:46,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4383 Valid, 13586 Invalid, 4071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1428 Valid, 2636 Invalid, 7 Unknown, 0 Unchecked, 29.2s Time] [2021-11-17 06:43:46,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187459 states. [2021-11-17 06:43:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187459 to 177393. [2021-11-17 06:43:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177393 states, 125595 states have (on average 1.2786416656714041) internal successors, (160591), 129186 states have internal predecessors, (160591), 39765 states have call successors, (39765), 11932 states have call predecessors, (39765), 12032 states have return successors, (40135), 39143 states have call predecessors, (40135), 39759 states have call successors, (40135) [2021-11-17 06:43:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177393 states to 177393 states and 240491 transitions. [2021-11-17 06:43:52,592 INFO L78 Accepts]: Start accepts. Automaton has 177393 states and 240491 transitions. Word has length 423 [2021-11-17 06:43:52,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:43:52,593 INFO L470 AbstractCegarLoop]: Abstraction has 177393 states and 240491 transitions. [2021-11-17 06:43:52,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 06:43:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 177393 states and 240491 transitions. [2021-11-17 06:43:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-17 06:43:52,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:43:52,629 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:52,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 06:43:52,629 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:43:52,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:43:52,630 INFO L85 PathProgramCache]: Analyzing trace with hash -105560664, now seen corresponding path program 1 times [2021-11-17 06:43:52,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:43:52,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124531887] [2021-11-17 06:43:52,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:43:52,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:43:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:43:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:43:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:43:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:43:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:43:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:43:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:43:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:43:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:43:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:43:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:43:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:43:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:43:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:43:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:43:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:43:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:43:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:43:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:43:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:43:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:43:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:43:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:43:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 06:43:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 06:43:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 06:43:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:43:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:43:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:43:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:43:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 06:43:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:43:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:43:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 06:43:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 06:43:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:43:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:43:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:43:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 06:43:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:43:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2021-11-17 06:43:53,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:43:53,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124531887] [2021-11-17 06:43:53,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124531887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:43:53,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:43:53,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:43:53,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788509873] [2021-11-17 06:43:53,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:43:53,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:43:53,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:43:53,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:43:53,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:43:53,448 INFO L87 Difference]: Start difference. First operand 177393 states and 240491 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 06:43:55,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:43:58,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:00,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:02,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:03,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:04,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:06,986 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:09,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:19,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:44:27,628 INFO L93 Difference]: Finished difference Result 446684 states and 619856 transitions. [2021-11-17 06:44:27,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:44:27,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 423 [2021-11-17 06:44:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:44:29,176 INFO L225 Difference]: With dead ends: 446684 [2021-11-17 06:44:29,176 INFO L226 Difference]: Without dead ends: 269657 [2021-11-17 06:44:30,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:44:30,048 INFO L933 BasicCegarLoop]: 5649 mSDtfsCounter, 5221 mSDsluCounter, 14303 mSDsCounter, 0 mSdLazyCounter, 4581 mSolverCounterSat, 1985 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5447 SdHoareTripleChecker+Valid, 19952 SdHoareTripleChecker+Invalid, 6570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1985 IncrementalHoareTripleChecker+Valid, 4581 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:44:30,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5447 Valid, 19952 Invalid, 6570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1985 Valid, 4581 Invalid, 4 Unknown, 0 Unchecked, 26.1s Time] [2021-11-17 06:44:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269657 states. [2021-11-17 06:44:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269657 to 177465. [2021-11-17 06:44:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177465 states, 125667 states have (on average 1.2784820199415916) internal successors, (160663), 129258 states have internal predecessors, (160663), 39765 states have call successors, (39765), 11932 states have call predecessors, (39765), 12032 states have return successors, (40135), 39143 states have call predecessors, (40135), 39759 states have call successors, (40135) [2021-11-17 06:44:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177465 states to 177465 states and 240563 transitions. [2021-11-17 06:44:38,794 INFO L78 Accepts]: Start accepts. Automaton has 177465 states and 240563 transitions. Word has length 423 [2021-11-17 06:44:38,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:44:38,794 INFO L470 AbstractCegarLoop]: Abstraction has 177465 states and 240563 transitions. [2021-11-17 06:44:38,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 06:44:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 177465 states and 240563 transitions. [2021-11-17 06:44:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-17 06:44:38,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:44:38,819 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:38,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 06:44:38,820 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:44:38,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:44:38,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1945423334, now seen corresponding path program 1 times [2021-11-17 06:44:38,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:44:38,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124950021] [2021-11-17 06:44:38,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:44:38,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:44:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:44:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:44:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:44:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:44:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:44:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:44:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:44:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:44:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:44:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:44:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:44:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:44:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:44:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:44:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:44:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:44:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:44:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:44:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:44:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 06:44:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:44:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 06:44:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 06:44:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 06:44:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 06:44:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 06:44:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:44:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:44:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:44:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:44:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 06:44:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:44:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:44:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 06:44:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 06:44:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:44:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:44:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:44:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 06:44:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:44:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2021-11-17 06:44:39,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:44:39,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124950021] [2021-11-17 06:44:39,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124950021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:44:39,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:44:39,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:44:39,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316808445] [2021-11-17 06:44:39,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:44:39,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:44:39,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:44:39,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:44:39,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:44:39,634 INFO L87 Difference]: Start difference. First operand 177465 states and 240563 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 06:44:40,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:43,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:46,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:48,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:51,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:44:58,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []