./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:30:38,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:30:38,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:30:38,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:30:38,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:30:38,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:30:38,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:30:38,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:30:38,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:30:38,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:30:38,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:30:38,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:30:38,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:30:38,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:30:38,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:30:38,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:30:38,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:30:38,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:30:38,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:30:38,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:30:38,462 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:30:38,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:30:38,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:30:38,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:30:38,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:30:38,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:30:38,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:30:38,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:30:38,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:30:38,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:30:38,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:30:38,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:30:38,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:30:38,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:30:38,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:30:38,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:30:38,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:30:38,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:30:38,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:30:38,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:30:38,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:30:38,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:30:38,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:30:38,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:30:38,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:30:38,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:30:38,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:30:38,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:30:38,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:30:38,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:30:38,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:30:38,505 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:30:38,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:30:38,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:30:38,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:30:38,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:30:38,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:30:38,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:30:38,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:30:38,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:30:38,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:30:38,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:30:38,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:30:38,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:30:38,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:30:38,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:30:38,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:30:38,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:30:38,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:30:38,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:30:38,509 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:30:38,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:30:38,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:30:38,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2022-07-23 03:30:38,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:30:38,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:30:38,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:30:38,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:30:38,759 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:30:38,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-07-23 03:30:38,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaac034f/89d29a3d7cd846a4911617968d0564b1/FLAG586fbfb63 [2022-07-23 03:30:39,569 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:30:39,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-07-23 03:30:39,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaac034f/89d29a3d7cd846a4911617968d0564b1/FLAG586fbfb63 [2022-07-23 03:30:39,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaac034f/89d29a3d7cd846a4911617968d0564b1 [2022-07-23 03:30:39,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:30:39,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:30:39,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:30:39,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:30:39,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:30:39,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:30:39" (1/1) ... [2022-07-23 03:30:39,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720b2115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:39, skipping insertion in model container [2022-07-23 03:30:39,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:30:39" (1/1) ... [2022-07-23 03:30:39,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:30:39,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:30:43,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-07-23 03:30:43,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-07-23 03:30:43,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:30:43,743 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:30:44,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-07-23 03:30:44,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-07-23 03:30:44,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:30:44,304 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:30:44,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44 WrapperNode [2022-07-23 03:30:44,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:30:44,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:30:44,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:30:44,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:30:44,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,549 INFO L137 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4548 [2022-07-23 03:30:44,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:30:44,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:30:44,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:30:44,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:30:44,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:30:44,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:30:44,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:30:44,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:30:44,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (1/1) ... [2022-07-23 03:30:44,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:30:44,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:30:44,850 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) [2022-07-23 03:30:44,887 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 [2022-07-23 03:30:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-07-23 03:30:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-07-23 03:30:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:30:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:30:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 03:30:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 03:30:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-23 03:30:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-23 03:30:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:30:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:30:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-07-23 03:30:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-07-23 03:30:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-07-23 03:30:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-07-23 03:30:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 03:30:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 03:30:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-07-23 03:30:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-07-23 03:30:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:30:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:30:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-07-23 03:30:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-07-23 03:30:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-07-23 03:30:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-07-23 03:30:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-07-23 03:30:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-07-23 03:30:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-07-23 03:30:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-07-23 03:30:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-07-23 03:30:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-07-23 03:30:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:30:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:30:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-07-23 03:30:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-07-23 03:30:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-07-23 03:30:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-07-23 03:30:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:30:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:30:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:30:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:30:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:30:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:30:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-07-23 03:30:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-07-23 03:30:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:30:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-23 03:30:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-23 03:30:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-07-23 03:30:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-07-23 03:30:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-07-23 03:30:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-07-23 03:30:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:30:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:30:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-07-23 03:30:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-07-23 03:30:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-23 03:30:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:30:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:30:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:30:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:30:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:30:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:30:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:30:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:30:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-07-23 03:30:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-07-23 03:30:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:30:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:30:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:30:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:30:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-07-23 03:30:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-07-23 03:30:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-07-23 03:30:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-07-23 03:30:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 03:30:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 03:30:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:30:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:30:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:30:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:30:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:30:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:30:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:30:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:30:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:30:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:30:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:30:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-07-23 03:30:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-07-23 03:30:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:30:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:30:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:30:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:30:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:30:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:30:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:30:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:30:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-07-23 03:30:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-07-23 03:30:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:30:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:30:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-07-23 03:30:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-07-23 03:30:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:30:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:30:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:30:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:30:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-07-23 03:30:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-07-23 03:30:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 03:30:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 03:30:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-07-23 03:30:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-07-23 03:30:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:30:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:30:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:30:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:30:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-23 03:30:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-23 03:30:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:30:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:30:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:30:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:30:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 03:30:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 03:30:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-07-23 03:30:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-07-23 03:30:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 03:30:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 03:30:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:30:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-07-23 03:30:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-07-23 03:30:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-07-23 03:30:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-07-23 03:30:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-07-23 03:30:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-07-23 03:30:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:30:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-23 03:30:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-23 03:30:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-07-23 03:30:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-07-23 03:30:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-23 03:30:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-23 03:30:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:30:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 03:30:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 03:30:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-07-23 03:30:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-07-23 03:30:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-07-23 03:30:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-07-23 03:30:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:30:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:30:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:30:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:30:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-23 03:30:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-23 03:30:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-07-23 03:30:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-07-23 03:30:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:30:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:30:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-07-23 03:30:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-07-23 03:30:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-23 03:30:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-23 03:30:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-07-23 03:30:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-07-23 03:30:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-23 03:30:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-23 03:30:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:30:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:30:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:30:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:30:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-23 03:30:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-23 03:30:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-07-23 03:30:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-07-23 03:30:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:30:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:30:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:30:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:30:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-07-23 03:30:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-07-23 03:30:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:30:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:30:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:30:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:30:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:30:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-07-23 03:30:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-07-23 03:30:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-07-23 03:30:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-07-23 03:30:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 03:30:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 03:30:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-23 03:30:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-23 03:30:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-07-23 03:30:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-07-23 03:30:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-07-23 03:30:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-07-23 03:30:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 03:30:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 03:30:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-23 03:30:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-23 03:30:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:30:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:30:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-07-23 03:30:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-07-23 03:30:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-07-23 03:30:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-07-23 03:30:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:30:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:30:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:30:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:30:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:30:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-07-23 03:30:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-07-23 03:30:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-07-23 03:30:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-07-23 03:30:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-07-23 03:30:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-07-23 03:30:45,635 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:30:45,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:30:45,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:30:51,714 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:30:51,815 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:30:51,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:30:51,836 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:30:51,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:30:51 BoogieIcfgContainer [2022-07-23 03:30:51,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:30:51,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:30:51,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:30:51,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:30:51,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:30:39" (1/3) ... [2022-07-23 03:30:51,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdbdeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:30:51, skipping insertion in model container [2022-07-23 03:30:51,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:30:44" (2/3) ... [2022-07-23 03:30:51,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdbdeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:30:51, skipping insertion in model container [2022-07-23 03:30:51,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:30:51" (3/3) ... [2022-07-23 03:30:51,846 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-07-23 03:30:51,856 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:30:51,857 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:30:51,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:30:51,963 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@281d293b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@35e32ec1 [2022-07-23 03:30:51,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:30:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2022-07-23 03:30:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-23 03:30:52,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:52,027 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:30:52,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:52,031 INFO L85 PathProgramCache]: Analyzing trace with hash 346300880, now seen corresponding path program 1 times [2022-07-23 03:30:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:30:52,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6650737] [2022-07-23 03:30:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:30:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:30:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:30:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:30:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:30:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:30:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:30:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:30:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:30:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:30:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:30:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:30:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:30:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:30:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:30:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:30:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:30:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:30:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:30:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:30:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:30:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:30:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:30:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:30:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:30:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:30:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:30:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:30:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:30:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:30:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:30:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:30:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:30:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:30:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-23 03:30:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:30:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:30:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:30:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:30:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:30:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 03:30:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 03:30:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:30:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 03:30:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 03:30:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 03:30:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2022-07-23 03:30:53,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:30:53,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6650737] [2022-07-23 03:30:53,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6650737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:53,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:53,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:30:53,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544538592] [2022-07-23 03:30:53,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:53,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:30:53,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:30:53,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:30:53,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:30:53,725 INFO L87 Difference]: Start difference. First operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-23 03:30:59,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:02,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:04,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:06,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:08,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:10,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:11,236 INFO L93 Difference]: Finished difference Result 4927 states and 6900 transitions. [2022-07-23 03:31:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 459 [2022-07-23 03:31:11,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:11,285 INFO L225 Difference]: With dead ends: 4927 [2022-07-23 03:31:11,285 INFO L226 Difference]: Without dead ends: 3257 [2022-07-23 03:31:11,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:31:11,301 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 3897 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 2670 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4186 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 5511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2670 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:11,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4186 Valid, 5010 Invalid, 5511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2670 Valid, 2835 Invalid, 6 Unknown, 0 Unchecked, 17.1s Time] [2022-07-23 03:31:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2022-07-23 03:31:11,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 3087. [2022-07-23 03:31:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 2118 states have (on average 1.2625118035882907) internal successors, (2674), 2156 states have internal predecessors, (2674), 762 states have call successors, (762), 206 states have call predecessors, (762), 206 states have return successors, (762), 758 states have call predecessors, (762), 762 states have call successors, (762) [2022-07-23 03:31:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4198 transitions. [2022-07-23 03:31:11,594 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4198 transitions. Word has length 459 [2022-07-23 03:31:11,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:11,598 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4198 transitions. [2022-07-23 03:31:11,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-23 03:31:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4198 transitions. [2022-07-23 03:31:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-07-23 03:31:11,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:11,620 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:11,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:31:11,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:11,622 INFO L85 PathProgramCache]: Analyzing trace with hash 549787104, now seen corresponding path program 1 times [2022-07-23 03:31:11,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:11,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570700736] [2022-07-23 03:31:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:11,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:31:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:31:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:31:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:31:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:31:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:31:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:31:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:31:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:31:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:31:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:31:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:31:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:31:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:31:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:31:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:31:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:31:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:31:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:31:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:31:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:31:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:31:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 03:31:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 03:31:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:31:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:31:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 03:31:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:31:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:31:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 03:31:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 03:31:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 03:31:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 03:31:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 03:31:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2022-07-23 03:31:12,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:12,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570700736] [2022-07-23 03:31:12,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570700736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:12,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:12,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:31:12,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360660125] [2022-07-23 03:31:12,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:12,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:31:12,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:12,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:31:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:12,650 INFO L87 Difference]: Start difference. First operand 3087 states and 4198 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 03:31:17,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:19,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:22,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:24,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:26,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:29,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:29,605 INFO L93 Difference]: Finished difference Result 9375 states and 12819 transitions. [2022-07-23 03:31:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:29,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 465 [2022-07-23 03:31:29,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:29,643 INFO L225 Difference]: With dead ends: 9375 [2022-07-23 03:31:29,643 INFO L226 Difference]: Without dead ends: 6351 [2022-07-23 03:31:29,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:31:29,658 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 3817 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 2709 mSolverCounterSat, 2435 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 4997 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2435 IncrementalHoareTripleChecker+Valid, 2709 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:29,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 4997 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2435 Valid, 2709 Invalid, 6 Unknown, 0 Unchecked, 16.6s Time] [2022-07-23 03:31:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6351 states. [2022-07-23 03:31:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6351 to 6013. [2022-07-23 03:31:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4134 states have (on average 1.2619738751814225) internal successors, (5217), 4212 states have internal predecessors, (5217), 1467 states have call successors, (1467), 411 states have call predecessors, (1467), 411 states have return successors, (1467), 1457 states have call predecessors, (1467), 1467 states have call successors, (1467) [2022-07-23 03:31:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8151 transitions. [2022-07-23 03:31:29,861 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8151 transitions. Word has length 465 [2022-07-23 03:31:29,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:29,863 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8151 transitions. [2022-07-23 03:31:29,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 03:31:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8151 transitions. [2022-07-23 03:31:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-23 03:31:29,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:29,885 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:29,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:31:29,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1332153623, now seen corresponding path program 1 times [2022-07-23 03:31:29,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:29,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762661033] [2022-07-23 03:31:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:31:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:31:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:31:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:31:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:31:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:31:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:31:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:31:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:31:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:31:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:31:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:31:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:31:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:31:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:31:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:31:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:31:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:31:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:31:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 03:31:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:31:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:31:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:31:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:31:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 03:31:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:31:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:31:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:31:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:31:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 03:31:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 03:31:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 03:31:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 03:31:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 03:31:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2022-07-23 03:31:30,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:30,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762661033] [2022-07-23 03:31:30,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762661033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:30,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:30,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:31:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689987969] [2022-07-23 03:31:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:30,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:31:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:30,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:31:30,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:30,679 INFO L87 Difference]: Start difference. First operand 6013 states and 8151 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 03:31:35,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:37,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:40,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:42,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:44,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:47,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:47,509 INFO L93 Difference]: Finished difference Result 18388 states and 25050 transitions. [2022-07-23 03:31:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:47,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 464 [2022-07-23 03:31:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:47,586 INFO L225 Difference]: With dead ends: 18388 [2022-07-23 03:31:47,586 INFO L226 Difference]: Without dead ends: 12438 [2022-07-23 03:31:47,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:31:47,617 INFO L413 NwaCegarLoop]: 2332 mSDtfsCounter, 3817 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 2709 mSolverCounterSat, 2413 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2413 IncrementalHoareTripleChecker+Valid, 2709 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:47,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 5094 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2413 Valid, 2709 Invalid, 6 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 03:31:47,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12438 states. [2022-07-23 03:31:47,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12438 to 11776. [2022-07-23 03:31:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11776 states, 8107 states have (on average 1.2600222030344148) internal successors, (10215), 8265 states have internal predecessors, (10215), 2849 states have call successors, (2849), 819 states have call predecessors, (2849), 819 states have return successors, (2849), 2827 states have call predecessors, (2849), 2849 states have call successors, (2849) [2022-07-23 03:31:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11776 states to 11776 states and 15913 transitions. [2022-07-23 03:31:48,155 INFO L78 Accepts]: Start accepts. Automaton has 11776 states and 15913 transitions. Word has length 464 [2022-07-23 03:31:48,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:48,158 INFO L495 AbstractCegarLoop]: Abstraction has 11776 states and 15913 transitions. [2022-07-23 03:31:48,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 03:31:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 11776 states and 15913 transitions. [2022-07-23 03:31:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-23 03:31:48,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:48,185 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:48,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:31:48,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -301820751, now seen corresponding path program 1 times [2022-07-23 03:31:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:48,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838085162] [2022-07-23 03:31:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:48,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:31:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:31:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:31:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:31:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:31:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:31:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:31:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:31:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:31:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:31:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:31:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:31:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:31:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:31:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:31:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:31:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:31:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:31:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:31:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 03:31:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:31:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 03:31:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:31:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:31:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 03:31:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 03:31:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 03:31:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:31:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 03:31:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:31:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:31:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 03:31:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 03:31:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 03:31:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-23 03:31:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 03:31:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3874 trivial. 0 not checked. [2022-07-23 03:31:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:48,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838085162] [2022-07-23 03:31:48,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838085162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:48,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:48,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:31:48,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904691777] [2022-07-23 03:31:48,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:48,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:31:48,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:48,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:31:48,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:48,760 INFO L87 Difference]: Start difference. First operand 11776 states and 15913 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) [2022-07-23 03:31:53,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:56,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:31:58,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:00,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:02,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:03,197 INFO L93 Difference]: Finished difference Result 25648 states and 34764 transitions. [2022-07-23 03:32:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:32:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) Word has length 487 [2022-07-23 03:32:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:03,293 INFO L225 Difference]: With dead ends: 25648 [2022-07-23 03:32:03,294 INFO L226 Difference]: Without dead ends: 13935 [2022-07-23 03:32:03,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:32:03,340 INFO L413 NwaCegarLoop]: 2389 mSDtfsCounter, 3275 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 2218 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3526 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2218 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:03,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3526 Valid, 5019 Invalid, 4899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2218 Valid, 2676 Invalid, 5 Unknown, 0 Unchecked, 14.0s Time] [2022-07-23 03:32:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13935 states. [2022-07-23 03:32:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13935 to 13318. [2022-07-23 03:32:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 9165 states have (on average 1.2564102564102564) internal successors, (11515), 9346 states have internal predecessors, (11515), 3209 states have call successors, (3209), 940 states have call predecessors, (3209), 943 states have return successors, (3229), 3186 states have call predecessors, (3229), 3209 states have call successors, (3229) [2022-07-23 03:32:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 17953 transitions. [2022-07-23 03:32:03,905 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 17953 transitions. Word has length 487 [2022-07-23 03:32:03,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:03,906 INFO L495 AbstractCegarLoop]: Abstraction has 13318 states and 17953 transitions. [2022-07-23 03:32:03,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) [2022-07-23 03:32:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 17953 transitions. [2022-07-23 03:32:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-07-23 03:32:03,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:03,941 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:03,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:32:03,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 381955911, now seen corresponding path program 1 times [2022-07-23 03:32:03,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:03,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908573577] [2022-07-23 03:32:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:32:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:32:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:32:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:32:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:32:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:32:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:32:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:32:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:32:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:32:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:32:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:32:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:32:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:32:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:32:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:32:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:32:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:32:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:32:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:32:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:32:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:32:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:32:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:32:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:32:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:32:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:32:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:32:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-23 03:32:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 03:32:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 03:32:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 03:32:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 03:32:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:32:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:32:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-23 03:32:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 03:32:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-23 03:32:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-23 03:32:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-23 03:32:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4122 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2022-07-23 03:32:04,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:04,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908573577] [2022-07-23 03:32:04,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908573577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:04,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:04,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:32:04,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542206853] [2022-07-23 03:32:04,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:04,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:32:04,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:32:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:32:04,740 INFO L87 Difference]: Start difference. First operand 13318 states and 17953 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-23 03:32:09,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:12,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:14,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:16,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:18,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:19,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:19,346 INFO L93 Difference]: Finished difference Result 37892 states and 51365 transitions. [2022-07-23 03:32:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:32:19,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 528 [2022-07-23 03:32:19,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:19,494 INFO L225 Difference]: With dead ends: 37892 [2022-07-23 03:32:19,494 INFO L226 Difference]: Without dead ends: 26004 [2022-07-23 03:32:19,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:32:19,555 INFO L413 NwaCegarLoop]: 3892 mSDtfsCounter, 2710 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 1675 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 4532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:19,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 7987 Invalid, 4532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2852 Invalid, 5 Unknown, 0 Unchecked, 13.9s Time] [2022-07-23 03:32:19,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26004 states. [2022-07-23 03:32:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26004 to 24731. [2022-07-23 03:32:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24731 states, 17027 states have (on average 1.2571210430492747) internal successors, (21405), 17352 states have internal predecessors, (21405), 5941 states have call successors, (5941), 1759 states have call predecessors, (5941), 1762 states have return successors, (5961), 5910 states have call predecessors, (5961), 5941 states have call successors, (5961) [2022-07-23 03:32:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24731 states to 24731 states and 33307 transitions. [2022-07-23 03:32:20,477 INFO L78 Accepts]: Start accepts. Automaton has 24731 states and 33307 transitions. Word has length 528 [2022-07-23 03:32:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:20,478 INFO L495 AbstractCegarLoop]: Abstraction has 24731 states and 33307 transitions. [2022-07-23 03:32:20,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-23 03:32:20,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24731 states and 33307 transitions. [2022-07-23 03:32:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-07-23 03:32:20,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:20,533 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:20,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:32:20,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:20,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:20,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1152805286, now seen corresponding path program 1 times [2022-07-23 03:32:20,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:20,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576923079] [2022-07-23 03:32:20,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:20,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:32:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:32:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:32:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:32:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:32:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:32:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:32:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:32:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:32:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:32:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:32:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:32:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:32:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:32:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:32:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:32:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:32:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:32:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:32:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:32:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:32:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:32:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:32:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:32:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:32:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 03:32:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:32:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:32:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 03:32:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 03:32:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 03:32:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 03:32:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:32:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:32:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 03:32:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-23 03:32:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 03:32:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 03:32:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-23 03:32:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2022-07-23 03:32:21,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576923079] [2022-07-23 03:32:21,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576923079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:21,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:21,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:32:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655656900] [2022-07-23 03:32:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:21,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:32:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:21,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:32:21,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:32:21,514 INFO L87 Difference]: Start difference. First operand 24731 states and 33307 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-23 03:32:26,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:29,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:32,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:34,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:36,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:38,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:39,093 INFO L93 Difference]: Finished difference Result 61382 states and 83105 transitions. [2022-07-23 03:32:39,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:32:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 523 [2022-07-23 03:32:39,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:39,318 INFO L225 Difference]: With dead ends: 61382 [2022-07-23 03:32:39,318 INFO L226 Difference]: Without dead ends: 38025 [2022-07-23 03:32:39,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:32:39,412 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2707 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 1675 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 4536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:39,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 7996 Invalid, 4536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2856 Invalid, 5 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 03:32:39,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38025 states. [2022-07-23 03:32:40,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38025 to 36096. [2022-07-23 03:32:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36096 states, 24841 states have (on average 1.2575580693208808) internal successors, (31239), 25310 states have internal predecessors, (31239), 8673 states have call successors, (8673), 2578 states have call predecessors, (8673), 2581 states have return successors, (8693), 8634 states have call predecessors, (8693), 8673 states have call successors, (8693) [2022-07-23 03:32:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36096 states to 36096 states and 48605 transitions. [2022-07-23 03:32:41,117 INFO L78 Accepts]: Start accepts. Automaton has 36096 states and 48605 transitions. Word has length 523 [2022-07-23 03:32:41,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:41,118 INFO L495 AbstractCegarLoop]: Abstraction has 36096 states and 48605 transitions. [2022-07-23 03:32:41,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-23 03:32:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 36096 states and 48605 transitions. [2022-07-23 03:32:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-07-23 03:32:41,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:41,151 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:41,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:32:41,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:41,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1899596592, now seen corresponding path program 1 times [2022-07-23 03:32:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:41,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615321555] [2022-07-23 03:32:41,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:41,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:32:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:32:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:32:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:32:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:32:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:32:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:32:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:32:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:32:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:32:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:32:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:32:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:32:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:32:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:32:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:32:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:32:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:32:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:32:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 03:32:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 03:32:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 03:32:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:32:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:32:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 03:32:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 03:32:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-23 03:32:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:32:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:32:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-23 03:32:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:32:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:32:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 03:32:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 03:32:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 03:32:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:32:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 03:32:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 03:32:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:32:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 03:32:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 03:32:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 03:32:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 03:32:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-23 03:32:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-23 03:32:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-23 03:32:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4070 trivial. 0 not checked. [2022-07-23 03:32:42,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:42,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615321555] [2022-07-23 03:32:42,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615321555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:42,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:42,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 03:32:42,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607717269] [2022-07-23 03:32:42,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:42,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 03:32:42,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:42,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 03:32:42,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:32:42,056 INFO L87 Difference]: Start difference. First operand 36096 states and 48605 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) [2022-07-23 03:32:48,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:50,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:32:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:54,320 INFO L93 Difference]: Finished difference Result 95992 states and 130339 transitions. [2022-07-23 03:32:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 03:32:54,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) Word has length 563 [2022-07-23 03:32:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:54,706 INFO L225 Difference]: With dead ends: 95992 [2022-07-23 03:32:54,707 INFO L226 Difference]: Without dead ends: 59537 [2022-07-23 03:32:54,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-07-23 03:32:54,823 INFO L413 NwaCegarLoop]: 2137 mSDtfsCounter, 5511 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 4022 mSolverCounterSat, 4776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 6091 SdHoareTripleChecker+Invalid, 8800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4776 IncrementalHoareTripleChecker+Valid, 4022 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:54,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5616 Valid, 6091 Invalid, 8800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4776 Valid, 4022 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-07-23 03:32:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59537 states. [2022-07-23 03:32:57,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59537 to 53281. [2022-07-23 03:32:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53281 states, 36872 states have (on average 1.2585973096116294) internal successors, (46407), 37496 states have internal predecessors, (46407), 12588 states have call successors, (12588), 3778 states have call predecessors, (12588), 3820 states have return successors, (12899), 12528 states have call predecessors, (12899), 12588 states have call successors, (12899) [2022-07-23 03:32:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53281 states to 53281 states and 71894 transitions. [2022-07-23 03:32:57,393 INFO L78 Accepts]: Start accepts. Automaton has 53281 states and 71894 transitions. Word has length 563 [2022-07-23 03:32:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:57,394 INFO L495 AbstractCegarLoop]: Abstraction has 53281 states and 71894 transitions. [2022-07-23 03:32:57,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) [2022-07-23 03:32:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 53281 states and 71894 transitions. [2022-07-23 03:32:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-23 03:32:57,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:57,467 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:57,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:32:57,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 728207384, now seen corresponding path program 1 times [2022-07-23 03:32:57,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:57,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740081797] [2022-07-23 03:32:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:57,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:32:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:32:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:32:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:32:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:32:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:32:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:32:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:32:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:32:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:32:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:32:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:32:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:32:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:32:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:32:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:32:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:32:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:32:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:32:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:32:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:32:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:32:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:32:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 03:32:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:32:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:32:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 03:32:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:32:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 03:32:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:32:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:32:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-23 03:32:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:32:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-23 03:32:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-23 03:32:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:32:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:32:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 03:32:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 03:32:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 03:32:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-23 03:32:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-23 03:32:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-07-23 03:32:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:58,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740081797] [2022-07-23 03:32:58,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740081797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:58,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:58,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:32:58,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790423457] [2022-07-23 03:32:58,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:58,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:32:58,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:58,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:32:58,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:32:58,475 INFO L87 Difference]: Start difference. First operand 53281 states and 71894 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2022-07-23 03:33:04,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:06,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:10,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:12,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:14,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:16,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:18,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:18,068 INFO L93 Difference]: Finished difference Result 127321 states and 172311 transitions. [2022-07-23 03:33:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:33:18,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 547 [2022-07-23 03:33:18,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:18,525 INFO L225 Difference]: With dead ends: 127321 [2022-07-23 03:33:18,525 INFO L226 Difference]: Without dead ends: 74052 [2022-07-23 03:33:18,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:33:18,659 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2705 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2844 mSolverCounterSat, 1672 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 4522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1672 IncrementalHoareTripleChecker+Valid, 2844 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:33:18,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 7996 Invalid, 4522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1672 Valid, 2844 Invalid, 6 Unknown, 0 Unchecked, 16.7s Time] [2022-07-23 03:33:18,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74052 states. [2022-07-23 03:33:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74052 to 53281. [2022-07-23 03:33:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53281 states, 36872 states have (on average 1.2585701887611196) internal successors, (46406), 37496 states have internal predecessors, (46406), 12588 states have call successors, (12588), 3778 states have call predecessors, (12588), 3820 states have return successors, (12899), 12528 states have call predecessors, (12899), 12588 states have call successors, (12899) [2022-07-23 03:33:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53281 states to 53281 states and 71893 transitions. [2022-07-23 03:33:21,060 INFO L78 Accepts]: Start accepts. Automaton has 53281 states and 71893 transitions. Word has length 547 [2022-07-23 03:33:21,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:33:21,060 INFO L495 AbstractCegarLoop]: Abstraction has 53281 states and 71893 transitions. [2022-07-23 03:33:21,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2022-07-23 03:33:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 53281 states and 71893 transitions. [2022-07-23 03:33:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2022-07-23 03:33:21,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:33:21,120 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:33:21,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:33:21,120 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:33:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:33:21,121 INFO L85 PathProgramCache]: Analyzing trace with hash 886846762, now seen corresponding path program 1 times [2022-07-23 03:33:21,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:33:21,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734188388] [2022-07-23 03:33:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:33:21,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:33:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:33:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:33:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:33:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:33:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:33:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:33:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:33:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:33:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:33:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:33:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:33:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:33:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:33:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:33:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:33:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:33:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:33:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:33:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:33:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:33:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:33:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:33:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:33:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:33:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:33:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:33:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:33:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:33:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:33:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:33:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:33:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:33:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:33:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:33:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 03:33:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:33:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:33:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 03:33:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:33:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 03:33:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:33:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:33:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 03:33:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-23 03:33:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 03:33:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-23 03:33:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-23 03:33:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:33:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:33:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-23 03:33:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-23 03:33:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-23 03:33:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 03:33:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-23 03:33:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2022-07-23 03:33:21,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:33:21,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734188388] [2022-07-23 03:33:21,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734188388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:33:21,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:33:21,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:33:21,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079058180] [2022-07-23 03:33:21,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:33:21,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:33:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:33:21,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:33:21,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:33:21,785 INFO L87 Difference]: Start difference. First operand 53281 states and 71893 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2022-07-23 03:33:27,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:32,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:34,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:36,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:38,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:40,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:41,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:41,815 INFO L93 Difference]: Finished difference Result 135952 states and 183995 transitions. [2022-07-23 03:33:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:33:41,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 553 [2022-07-23 03:33:41,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:42,180 INFO L225 Difference]: With dead ends: 135952 [2022-07-23 03:33:42,180 INFO L226 Difference]: Without dead ends: 83139 [2022-07-23 03:33:42,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:33:42,315 INFO L413 NwaCegarLoop]: 3569 mSDtfsCounter, 3113 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 1858 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 7485 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:33:42,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 7485 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2787 Invalid, 6 Unknown, 0 Unchecked, 16.6s Time] [2022-07-23 03:33:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83139 states. [2022-07-23 03:33:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83139 to 78856. [2022-07-23 03:33:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78856 states, 54578 states have (on average 1.2576862472058339) internal successors, (68642), 55510 states have internal predecessors, (68642), 18597 states have call successors, (18597), 5620 states have call predecessors, (18597), 5680 states have return successors, (19028), 18505 states have call predecessors, (19028), 18597 states have call successors, (19028) [2022-07-23 03:33:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78856 states to 78856 states and 106267 transitions. [2022-07-23 03:33:45,524 INFO L78 Accepts]: Start accepts. Automaton has 78856 states and 106267 transitions. Word has length 553 [2022-07-23 03:33:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:33:45,525 INFO L495 AbstractCegarLoop]: Abstraction has 78856 states and 106267 transitions. [2022-07-23 03:33:45,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2022-07-23 03:33:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 78856 states and 106267 transitions. [2022-07-23 03:33:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-23 03:33:45,610 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:33:45,611 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:33:45,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:33:45,611 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:33:45,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:33:45,612 INFO L85 PathProgramCache]: Analyzing trace with hash 41801484, now seen corresponding path program 1 times [2022-07-23 03:33:45,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:33:45,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409671666] [2022-07-23 03:33:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:33:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:33:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:33:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:33:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:33:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:33:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:33:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:33:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:33:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:33:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:33:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:33:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:33:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:33:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:33:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:33:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:33:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:33:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:33:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:33:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:33:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:33:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:33:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:33:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:33:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:33:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:33:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:33:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:33:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:33:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:33:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:33:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:33:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:33:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:33:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:33:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 03:33:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:33:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:33:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 03:33:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:33:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 03:33:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:33:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:33:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-23 03:33:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:33:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-23 03:33:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-23 03:33:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:33:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:33:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 03:33:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 03:33:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:33:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 03:33:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-23 03:33:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-23 03:33:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4334 trivial. 0 not checked. [2022-07-23 03:33:46,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:33:46,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409671666] [2022-07-23 03:33:46,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409671666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:33:46,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:33:46,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:33:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805320796] [2022-07-23 03:33:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:33:46,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:33:46,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:33:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:33:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:33:46,636 INFO L87 Difference]: Start difference. First operand 78856 states and 106267 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-23 03:33:52,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:56,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:33:59,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:01,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:03,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:05,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:34:05,194 INFO L93 Difference]: Finished difference Result 200198 states and 270627 transitions. [2022-07-23 03:34:05,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:34:05,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 547 [2022-07-23 03:34:05,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:34:05,741 INFO L225 Difference]: With dead ends: 200198 [2022-07-23 03:34:05,741 INFO L226 Difference]: Without dead ends: 121810 [2022-07-23 03:34:06,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:34:06,082 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 2690 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 1720 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 7780 SdHoareTripleChecker+Invalid, 4583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1720 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:34:06,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 7780 Invalid, 4583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1720 Valid, 2858 Invalid, 5 Unknown, 0 Unchecked, 14.2s Time] [2022-07-23 03:34:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121810 states. [2022-07-23 03:34:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121810 to 116074. [2022-07-23 03:34:10,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116074 states, 80312 states have (on average 1.255802370754059) internal successors, (100856), 81700 states have internal predecessors, (100856), 27351 states have call successors, (27351), 8326 states have call predecessors, (27351), 8410 states have return successors, (27998), 27211 states have call predecessors, (27998), 27351 states have call successors, (27998) [2022-07-23 03:34:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116074 states to 116074 states and 156205 transitions. [2022-07-23 03:34:11,078 INFO L78 Accepts]: Start accepts. Automaton has 116074 states and 156205 transitions. Word has length 547 [2022-07-23 03:34:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:34:11,079 INFO L495 AbstractCegarLoop]: Abstraction has 116074 states and 156205 transitions. [2022-07-23 03:34:11,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-23 03:34:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 116074 states and 156205 transitions. [2022-07-23 03:34:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-07-23 03:34:11,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:34:11,194 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:34:11,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:34:11,194 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:34:11,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:34:11,194 INFO L85 PathProgramCache]: Analyzing trace with hash 618381919, now seen corresponding path program 1 times [2022-07-23 03:34:11,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:34:11,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782218107] [2022-07-23 03:34:11,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:34:11,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:34:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:34:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:34:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:34:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:34:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:34:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:34:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:34:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:34:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:34:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:34:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:34:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:34:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:34:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:34:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:34:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:34:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:34:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:34:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:34:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:34:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:34:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:34:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:34:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:34:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:34:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:34:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:34:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:34:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:34:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:34:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:34:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 03:34:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:34:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:34:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 03:34:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:34:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 03:34:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 03:34:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 03:34:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 03:34:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:34:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:34:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 03:34:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:34:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-23 03:34:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-23 03:34:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 03:34:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:34:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:34:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 03:34:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-23 03:34:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:34:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 03:34:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-23 03:34:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-23 03:34:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:34:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2022-07-23 03:34:12,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:34:12,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782218107] [2022-07-23 03:34:12,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782218107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:34:12,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:34:12,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:34:12,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496234432] [2022-07-23 03:34:12,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:34:12,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:34:12,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:34:12,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:34:12,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:34:12,272 INFO L87 Difference]: Start difference. First operand 116074 states and 156205 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2022-07-23 03:34:19,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:24,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:26,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:28,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:30,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:33,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:34:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:34:35,528 INFO L93 Difference]: Finished difference Result 295092 states and 398437 transitions. [2022-07-23 03:34:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:34:35,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 552 [2022-07-23 03:34:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:34:36,394 INFO L225 Difference]: With dead ends: 295092 [2022-07-23 03:34:36,394 INFO L226 Difference]: Without dead ends: 179486 [2022-07-23 03:34:37,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:34:37,023 INFO L413 NwaCegarLoop]: 3575 mSDtfsCounter, 3096 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 1858 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:34:37,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 7486 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2787 Invalid, 6 Unknown, 0 Unchecked, 16.5s Time] [2022-07-23 03:34:37,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179486 states.