./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:58:42,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:58:42,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:58:42,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:58:42,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:58:42,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:58:42,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:58:42,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:58:42,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:58:42,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:58:42,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:58:42,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:58:42,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:58:42,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:58:42,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:58:42,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:58:42,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:58:42,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:58:42,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:58:42,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:58:42,331 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:58:42,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:58:42,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:58:42,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:58:42,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:58:42,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:58:42,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:58:42,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:58:42,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:58:42,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:58:42,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:58:42,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:58:42,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:58:42,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:58:42,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:58:42,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:58:42,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:58:42,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:58:42,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:58:42,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:58:42,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:58:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:58:42,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:58:42,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:58:42,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:58:42,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:58:42,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:58:42,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:58:42,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:58:42,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:58:42,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:58:42,370 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:58:42,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:58:42,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:58:42,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:58:42,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:58:42,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:58:42,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:58:42,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:58:42,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:58:42,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:58:42,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:58:42,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:58:42,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:58:42,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:58:42,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:58:42,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:58:42,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:58:42,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2022-07-23 01:58:42,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:58:42,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:58:42,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:58:42,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:58:42,585 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:58:42,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-23 01:58:42,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538aea374/506c63ab10cb4b348f57837ddf144da9/FLAG4ebabe24f [2022-07-23 01:58:43,310 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:58:43,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-23 01:58:43,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538aea374/506c63ab10cb4b348f57837ddf144da9/FLAG4ebabe24f [2022-07-23 01:58:43,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538aea374/506c63ab10cb4b348f57837ddf144da9 [2022-07-23 01:58:43,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:58:43,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:58:43,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:58:43,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:58:43,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:58:43,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:58:43" (1/1) ... [2022-07-23 01:58:43,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6a26be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:43, skipping insertion in model container [2022-07-23 01:58:43,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:58:43" (1/1) ... [2022-07-23 01:58:43,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:58:43,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:58:45,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-23 01:58:45,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-23 01:58:45,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:58:45,750 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:58:46,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-23 01:58:46,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-23 01:58:46,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:58:46,179 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:58:46,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46 WrapperNode [2022-07-23 01:58:46,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:58:46,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:58:46,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:58:46,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:58:46,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,404 INFO L137 Inliner]: procedures = 455, calls = 2192, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5139 [2022-07-23 01:58:46,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:58:46,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:58:46,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:58:46,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:58:46,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:58:46,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:58:46,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:58:46,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:58:46,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (1/1) ... [2022-07-23 01:58:46,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:58:46,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:58:46,666 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 01:58:46,686 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 01:58:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:58:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:58:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:58:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:58:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 01:58:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 01:58:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:58:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:58:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:58:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:58:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 01:58:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 01:58:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2022-07-23 01:58:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2022-07-23 01:58:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2022-07-23 01:58:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2022-07-23 01:58:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2022-07-23 01:58:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2022-07-23 01:58:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:58:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:58:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:58:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:58:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 01:58:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 01:58:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 01:58:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 01:58:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 01:58:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 01:58:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 01:58:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 01:58:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 01:58:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:58:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:58:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 01:58:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 01:58:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 01:58:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 01:58:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:58:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:58:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:58:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:58:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 01:58:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 01:58:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:58:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2022-07-23 01:58:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2022-07-23 01:58:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2022-07-23 01:58:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2022-07-23 01:58:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:58:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:58:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2022-07-23 01:58:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2022-07-23 01:58:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2022-07-23 01:58:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:58:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:58:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 01:58:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 01:58:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:58:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:58:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:58:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:58:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:58:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 01:58:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 01:58:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 01:58:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 01:58:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:58:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:58:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 01:58:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 01:58:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 01:58:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 01:58:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:58:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:58:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2022-07-23 01:58:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2022-07-23 01:58:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2022-07-23 01:58:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2022-07-23 01:58:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2022-07-23 01:58:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2022-07-23 01:58:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2022-07-23 01:58:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2022-07-23 01:58:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:58:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 01:58:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 01:58:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 01:58:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 01:58:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:58:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2022-07-23 01:58:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2022-07-23 01:58:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 01:58:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 01:58:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:58:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:58:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:58:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:58:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:58:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 01:58:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 01:58:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 01:58:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 01:58:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-23 01:58:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-23 01:58:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2022-07-23 01:58:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2022-07-23 01:58:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 01:58:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 01:58:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2022-07-23 01:58:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2022-07-23 01:58:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:58:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:58:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 01:58:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 01:58:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2022-07-23 01:58:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2022-07-23 01:58:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:58:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:58:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2022-07-23 01:58:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2022-07-23 01:58:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:58:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:58:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:58:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:58:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:58:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:58:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:58:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:58:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:58:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:58:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:58:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:58:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 01:58:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 01:58:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:58:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:58:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:58:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:58:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 01:58:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 01:58:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2022-07-23 01:58:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2022-07-23 01:58:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:58:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:58:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-23 01:58:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2022-07-23 01:58:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 01:58:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 01:58:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:58:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:58:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 01:58:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 01:58:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 01:58:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 01:58:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 01:58:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 01:58:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-23 01:58:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-23 01:58:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 01:58:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 01:58:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:58:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:58:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2022-07-23 01:58:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2022-07-23 01:58:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:58:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:58:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2022-07-23 01:58:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2022-07-23 01:58:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2022-07-23 01:58:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2022-07-23 01:58:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2022-07-23 01:58:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2022-07-23 01:58:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:58:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:58:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:58:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-23 01:58:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-23 01:58:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2022-07-23 01:58:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2022-07-23 01:58:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 01:58:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 01:58:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2022-07-23 01:58:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2022-07-23 01:58:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 01:58:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 01:58:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2022-07-23 01:58:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2022-07-23 01:58:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 01:58:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 01:58:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 01:58:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 01:58:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:58:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2022-07-23 01:58:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2022-07-23 01:58:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 01:58:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 01:58:47,525 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:58:47,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:58:47,607 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:58:52,598 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 01:58:52,659 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:58:52,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:58:52,671 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:58:52,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:58:52 BoogieIcfgContainer [2022-07-23 01:58:52,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:58:52,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:58:52,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:58:52,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:58:52,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:58:43" (1/3) ... [2022-07-23 01:58:52,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10154d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:58:52, skipping insertion in model container [2022-07-23 01:58:52,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:58:46" (2/3) ... [2022-07-23 01:58:52,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10154d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:58:52, skipping insertion in model container [2022-07-23 01:58:52,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:58:52" (3/3) ... [2022-07-23 01:58:52,680 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-23 01:58:52,691 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:58:52,691 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:58:52,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:58:52,753 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@693d0955, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@364b6df5 [2022-07-23 01:58:52,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:58:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) [2022-07-23 01:58:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-23 01:58:52,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:58:52,803 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:52,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:58:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:58:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash -969577126, now seen corresponding path program 1 times [2022-07-23 01:58:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:58:52,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047347737] [2022-07-23 01:58:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:58:52,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:58:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:58:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:58:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:58:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:58:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:58:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:58:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:58:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:58:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 01:58:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 01:58:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 01:58:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 01:58:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 01:58:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:58:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:58:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:58:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 01:58:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:58:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 01:58:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:58:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-23 01:58:53,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:58:53,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047347737] [2022-07-23 01:58:53,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047347737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:58:53,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:58:53,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:58:53,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470672603] [2022-07-23 01:58:53,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:58:53,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:58:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:58:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:58:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:58:53,725 INFO L87 Difference]: Start difference. First operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 01:58:56,691 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 01:58:58,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:01,698 WARN L534 Checker$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 01:59:03,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 01:59:09,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:10,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:10,542 INFO L93 Difference]: Finished difference Result 4859 states and 7019 transitions. [2022-07-23 01:59:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:59:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-07-23 01:59:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:10,580 INFO L225 Difference]: With dead ends: 4859 [2022-07-23 01:59:10,581 INFO L226 Difference]: Without dead ends: 3047 [2022-07-23 01:59:10,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:59:10,596 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 3229 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 2269 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 5639 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2269 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:10,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 5639 Invalid, 5129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2269 Valid, 2855 Invalid, 5 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 01:59:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-07-23 01:59:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 2813. [2022-07-23 01:59:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 1957 states have (on average 1.2754215636177824) internal successors, (2496), 1990 states have internal predecessors, (2496), 700 states have call successors, (700), 155 states have call predecessors, (700), 155 states have return successors, (700), 691 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-23 01:59:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3896 transitions. [2022-07-23 01:59:10,882 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3896 transitions. Word has length 197 [2022-07-23 01:59:10,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:10,882 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 3896 transitions. [2022-07-23 01:59:10,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 01:59:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3896 transitions. [2022-07-23 01:59:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-23 01:59:10,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:10,890 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:10,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:59:10,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:10,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash 243615577, now seen corresponding path program 1 times [2022-07-23 01:59:10,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:59:10,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931913247] [2022-07-23 01:59:10,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:59:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:59:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:59:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:59:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:59:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:59:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:59:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:59:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 01:59:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 01:59:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 01:59:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:59:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:59:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 01:59:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:59:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:59:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 01:59:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 01:59:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 01:59:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:59:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 01:59:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:59:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-07-23 01:59:11,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:59:11,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931913247] [2022-07-23 01:59:11,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931913247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:11,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:11,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:59:11,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132402280] [2022-07-23 01:59:11,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:11,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:59:11,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:59:11,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:59:11,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:59:11,222 INFO L87 Difference]: Start difference. First operand 2813 states and 3896 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 01:59:14,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:17,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:20,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:23,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 01:59:25,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:28,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:28,824 INFO L93 Difference]: Finished difference Result 7544 states and 10624 transitions. [2022-07-23 01:59:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:59:28,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2022-07-23 01:59:28,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:28,856 INFO L225 Difference]: With dead ends: 7544 [2022-07-23 01:59:28,856 INFO L226 Difference]: Without dead ends: 4752 [2022-07-23 01:59:28,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 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 01:59:28,868 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 3869 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 3194 mSolverCounterSat, 2501 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2501 IncrementalHoareTripleChecker+Valid, 3194 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:28,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 5716 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2501 Valid, 3194 Invalid, 5 Unknown, 0 Unchecked, 17.2s Time] [2022-07-23 01:59:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2022-07-23 01:59:28,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4386. [2022-07-23 01:59:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3029 states have (on average 1.2700561241333774) internal successors, (3847), 3086 states have internal predecessors, (3847), 1103 states have call successors, (1103), 251 states have call predecessors, (1103), 253 states have return successors, (1148), 1085 states have call predecessors, (1148), 1103 states have call successors, (1148) [2022-07-23 01:59:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6098 transitions. [2022-07-23 01:59:29,011 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6098 transitions. Word has length 217 [2022-07-23 01:59:29,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:29,012 INFO L495 AbstractCegarLoop]: Abstraction has 4386 states and 6098 transitions. [2022-07-23 01:59:29,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 01:59:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6098 transitions. [2022-07-23 01:59:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-23 01:59:29,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:29,016 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 01:59:29,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:59:29,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:29,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:29,017 INFO L85 PathProgramCache]: Analyzing trace with hash 427672214, now seen corresponding path program 1 times [2022-07-23 01:59:29,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:59:29,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989337981] [2022-07-23 01:59:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:59:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:59:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:59:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:59:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:59:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:59:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:59:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:59:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 01:59:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 01:59:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 01:59:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 01:59:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:59:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 01:59:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:59:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:59:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:59:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 01:59:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 01:59:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 01:59:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:59:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 01:59:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 01:59:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-23 01:59:29,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:59:29,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989337981] [2022-07-23 01:59:29,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989337981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:29,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:29,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:59:29,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326401214] [2022-07-23 01:59:29,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:29,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:59:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:59:29,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:59:29,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:59:29,460 INFO L87 Difference]: Start difference. First operand 4386 states and 6098 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 01:59:32,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 01:59:34,764 WARN L534 Checker$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 01:59:36,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:39,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:41,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:45,075 INFO L93 Difference]: Finished difference Result 10439 states and 14681 transitions. [2022-07-23 01:59:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:59:45,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 260 [2022-07-23 01:59:45,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:45,118 INFO L225 Difference]: With dead ends: 10439 [2022-07-23 01:59:45,119 INFO L226 Difference]: Without dead ends: 6074 [2022-07-23 01:59:45,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 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 01:59:45,139 INFO L413 NwaCegarLoop]: 3541 mSDtfsCounter, 2410 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 3026 mSolverCounterSat, 1621 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7650 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1621 IncrementalHoareTripleChecker+Valid, 3026 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:45,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7650 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1621 Valid, 3026 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2022-07-23 01:59:45,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6074 states. [2022-07-23 01:59:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6074 to 5622. [2022-07-23 01:59:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5622 states, 3913 states have (on average 1.2680807564528496) internal successors, (4962), 3983 states have internal predecessors, (4962), 1380 states have call successors, (1380), 326 states have call predecessors, (1380), 328 states have return successors, (1438), 1358 states have call predecessors, (1438), 1380 states have call successors, (1438) [2022-07-23 01:59:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5622 states to 5622 states and 7780 transitions. [2022-07-23 01:59:45,368 INFO L78 Accepts]: Start accepts. Automaton has 5622 states and 7780 transitions. Word has length 260 [2022-07-23 01:59:45,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:45,369 INFO L495 AbstractCegarLoop]: Abstraction has 5622 states and 7780 transitions. [2022-07-23 01:59:45,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 01:59:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5622 states and 7780 transitions. [2022-07-23 01:59:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-23 01:59:45,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:45,375 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:45,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:59:45,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:45,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:45,377 INFO L85 PathProgramCache]: Analyzing trace with hash -2123156647, now seen corresponding path program 1 times [2022-07-23 01:59:45,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:59:45,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543409277] [2022-07-23 01:59:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:45,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:59:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:59:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:59:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:59:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:59:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:59:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:59:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:59:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 01:59:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 01:59:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 01:59:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 01:59:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:59:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 01:59:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:59:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:59:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:59:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:59:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 01:59:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:59:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 01:59:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:59:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 01:59:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:59:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 01:59:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:59:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:59:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 01:59:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 01:59:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-23 01:59:45,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:59:45,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543409277] [2022-07-23 01:59:45,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543409277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:45,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:45,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:59:45,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565306323] [2022-07-23 01:59:45,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:45,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:59:45,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:59:45,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:59:45,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:59:45,792 INFO L87 Difference]: Start difference. First operand 5622 states and 7780 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 01:59:48,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 01:59:51,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:54,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:58,222 INFO L93 Difference]: Finished difference Result 12978 states and 18166 transitions. [2022-07-23 01:59:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:59:58,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2022-07-23 01:59:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:58,252 INFO L225 Difference]: With dead ends: 12978 [2022-07-23 01:59:58,252 INFO L226 Difference]: Without dead ends: 7377 [2022-07-23 01:59:58,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 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 01:59:58,269 INFO L413 NwaCegarLoop]: 3515 mSDtfsCounter, 2410 mSDsluCounter, 4083 mSDsCounter, 0 mSdLazyCounter, 3000 mSolverCounterSat, 1615 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 7598 SdHoareTripleChecker+Invalid, 4618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1615 IncrementalHoareTripleChecker+Valid, 3000 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:58,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 7598 Invalid, 4618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1615 Valid, 3000 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2022-07-23 01:59:58,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-07-23 01:59:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 6839. [2022-07-23 01:59:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 4785 states have (on average 1.2675026123301985) internal successors, (6065), 4868 states have internal predecessors, (6065), 1651 states have call successors, (1651), 400 states have call predecessors, (1651), 402 states have return successors, (1722), 1625 states have call predecessors, (1722), 1651 states have call successors, (1722) [2022-07-23 01:59:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 9438 transitions. [2022-07-23 01:59:58,492 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 9438 transitions. Word has length 331 [2022-07-23 01:59:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:58,493 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 9438 transitions. [2022-07-23 01:59:58,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 01:59:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 9438 transitions. [2022-07-23 01:59:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-23 01:59:58,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:58,501 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:58,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:59:58,501 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:58,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:58,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1080840835, now seen corresponding path program 1 times [2022-07-23 01:59:58,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:59:58,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439287996] [2022-07-23 01:59:58,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:58,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:59:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:59:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:59:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:59:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:59:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:59:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:59:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:59:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 01:59:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 01:59:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 01:59:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 01:59:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:59:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 01:59:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:59:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:59:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:59:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:59:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 01:59:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:59:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 01:59:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:59:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 01:59:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 01:59:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:59:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:59:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:59:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:59:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:59:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:59:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:59:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 01:59:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-23 01:59:58,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:59:58,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439287996] [2022-07-23 01:59:58,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439287996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:58,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:58,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:59:58,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917165483] [2022-07-23 01:59:58,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:58,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:59:58,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:59:58,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:59:58,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:59:58,914 INFO L87 Difference]: Start difference. First operand 6839 states and 9438 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:00:01,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:00:04,400 WARN L534 Checker$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 02:00:06,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:09,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:11,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:14,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:17,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:19,431 WARN L534 Checker$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 02:00:21,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:23,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:26,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:26,027 INFO L93 Difference]: Finished difference Result 16587 states and 23167 transitions. [2022-07-23 02:00:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:00:26,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 334 [2022-07-23 02:00:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:26,073 INFO L225 Difference]: With dead ends: 16587 [2022-07-23 02:00:26,074 INFO L226 Difference]: Without dead ends: 9769 [2022-07-23 02:00:26,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 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 02:00:26,094 INFO L413 NwaCegarLoop]: 3597 mSDtfsCounter, 3045 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 3080 mSolverCounterSat, 1789 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 7572 SdHoareTripleChecker+Invalid, 4878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1789 IncrementalHoareTripleChecker+Valid, 3080 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:26,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 7572 Invalid, 4878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1789 Valid, 3080 Invalid, 9 Unknown, 0 Unchecked, 26.7s Time] [2022-07-23 02:00:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states. [2022-07-23 02:00:26,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 8970. [2022-07-23 02:00:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8970 states, 6265 states have (on average 1.2662410215482842) internal successors, (7933), 6369 states have internal predecessors, (7933), 2161 states have call successors, (2161), 540 states have call predecessors, (2161), 543 states have return successors, (2259), 2128 states have call predecessors, (2259), 2161 states have call successors, (2259) [2022-07-23 02:00:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8970 states to 8970 states and 12353 transitions. [2022-07-23 02:00:26,375 INFO L78 Accepts]: Start accepts. Automaton has 8970 states and 12353 transitions. Word has length 334 [2022-07-23 02:00:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:26,376 INFO L495 AbstractCegarLoop]: Abstraction has 8970 states and 12353 transitions. [2022-07-23 02:00:26,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:00:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8970 states and 12353 transitions. [2022-07-23 02:00:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-23 02:00:26,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:26,415 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:00:26,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:00:26,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:26,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1866298519, now seen corresponding path program 1 times [2022-07-23 02:00:26,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:00:26,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272911330] [2022-07-23 02:00:26,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:26,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:00:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:00:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:00:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:00:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:00:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:00:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:00:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:00:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:00:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:00:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:00:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:00:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:00:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:00:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:00:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:00:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:00:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:00:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:00:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:00:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:00:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:00:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:00:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:00:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:00:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:00:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:00:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:00:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:00:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:00:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:00:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:00:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 02:00:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:00:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:00:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:00:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 02:00:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 02:00:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-23 02:00:26,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:00:26,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272911330] [2022-07-23 02:00:26,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272911330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:26,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:26,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:00:26,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288152146] [2022-07-23 02:00:26,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:26,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:00:26,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:00:26,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:00:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:00:26,798 INFO L87 Difference]: Start difference. First operand 8970 states and 12353 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:00:29,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:00:32,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:37,541 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 02:00:39,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:39,831 INFO L93 Difference]: Finished difference Result 20045 states and 27912 transitions. [2022-07-23 02:00:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:00:39,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 414 [2022-07-23 02:00:39,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:39,876 INFO L225 Difference]: With dead ends: 20045 [2022-07-23 02:00:39,876 INFO L226 Difference]: Without dead ends: 11096 [2022-07-23 02:00:39,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 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 02:00:39,906 INFO L413 NwaCegarLoop]: 3289 mSDtfsCounter, 2539 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 1697 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 7121 SdHoareTripleChecker+Invalid, 4677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:39,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2749 Valid, 7121 Invalid, 4677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1697 Valid, 2977 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2022-07-23 02:00:39,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11096 states. [2022-07-23 02:00:40,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11096 to 10209. [2022-07-23 02:00:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10209 states, 7156 states have (on average 1.2659306875349357) internal successors, (9059), 7273 states have internal predecessors, (9059), 2435 states have call successors, (2435), 614 states have call predecessors, (2435), 617 states have return successors, (2533), 2398 states have call predecessors, (2533), 2435 states have call successors, (2533) [2022-07-23 02:00:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10209 states to 10209 states and 14027 transitions. [2022-07-23 02:00:40,307 INFO L78 Accepts]: Start accepts. Automaton has 10209 states and 14027 transitions. Word has length 414 [2022-07-23 02:00:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:40,310 INFO L495 AbstractCegarLoop]: Abstraction has 10209 states and 14027 transitions. [2022-07-23 02:00:40,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:00:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 10209 states and 14027 transitions. [2022-07-23 02:00:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-23 02:00:40,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:40,318 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:40,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:00:40,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:40,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:40,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1138715077, now seen corresponding path program 1 times [2022-07-23 02:00:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:00:40,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735300751] [2022-07-23 02:00:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:00:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:00:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:00:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:00:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:00:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:00:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:00:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:00:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:00:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:00:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:00:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:00:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:00:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:00:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:00:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:00:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:00:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:00:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:00:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:00:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:00:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:00:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:00:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:00:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:00:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:00:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:00:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:00:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:00:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:00:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 02:00:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 02:00:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 02:00:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:00:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:00:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:00:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:00:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 02:00:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:00:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 02:00:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-23 02:00:40,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:00:40,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735300751] [2022-07-23 02:00:40,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735300751] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:40,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:40,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:00:40,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117626362] [2022-07-23 02:00:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:40,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:00:40,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:00:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:00:40,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:00:40,745 INFO L87 Difference]: Start difference. First operand 10209 states and 14027 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:00:43,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:00:46,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:48,303 WARN L534 Checker$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 02:00:50,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:55,331 WARN L534 Checker$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 02:00:57,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:59,470 WARN L534 Checker$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 02:01:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:01,713 INFO L93 Difference]: Finished difference Result 22577 states and 31368 transitions. [2022-07-23 02:01:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:01:01,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-07-23 02:01:01,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:01,760 INFO L225 Difference]: With dead ends: 22577 [2022-07-23 02:01:01,761 INFO L226 Difference]: Without dead ends: 12389 [2022-07-23 02:01:01,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 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 02:01:01,786 INFO L413 NwaCegarLoop]: 3523 mSDtfsCounter, 2415 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 3013 mSolverCounterSat, 1609 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 7613 SdHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1609 IncrementalHoareTripleChecker+Valid, 3013 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:01,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 7613 Invalid, 4629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1609 Valid, 3013 Invalid, 7 Unknown, 0 Unchecked, 20.5s Time] [2022-07-23 02:01:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12389 states. [2022-07-23 02:01:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12389 to 11424. [2022-07-23 02:01:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11424 states, 8027 states have (on average 1.265852746978946) internal successors, (10161), 8157 states have internal predecessors, (10161), 2707 states have call successors, (2707), 686 states have call predecessors, (2707), 689 states have return successors, (2805), 2666 states have call predecessors, (2805), 2707 states have call successors, (2805) [2022-07-23 02:01:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11424 states to 11424 states and 15673 transitions. [2022-07-23 02:01:02,169 INFO L78 Accepts]: Start accepts. Automaton has 11424 states and 15673 transitions. Word has length 411 [2022-07-23 02:01:02,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:02,170 INFO L495 AbstractCegarLoop]: Abstraction has 11424 states and 15673 transitions. [2022-07-23 02:01:02,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:01:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11424 states and 15673 transitions. [2022-07-23 02:01:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-23 02:01:02,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:02,176 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:02,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:01:02,177 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:02,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1205917150, now seen corresponding path program 1 times [2022-07-23 02:01:02,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:02,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097353216] [2022-07-23 02:01:02,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:02,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:01:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:01:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:01:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:01:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:01:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:01:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:01:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:01:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:01:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:01:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:01:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:01:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:01:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:01:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:01:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:01:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:01:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:01:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:01:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:01:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 02:01:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 02:01:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 02:01:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:01:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 02:01:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:01:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 02:01:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 02:01:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-23 02:01:02,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:02,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097353216] [2022-07-23 02:01:02,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097353216] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:02,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:02,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:01:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637010004] [2022-07-23 02:01:02,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:02,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:01:02,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:02,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:01:02,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:01:02,931 INFO L87 Difference]: Start difference. First operand 11424 states and 15673 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:01:06,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:09,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:11,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:13,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:18,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:20,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:22,701 INFO L93 Difference]: Finished difference Result 26133 states and 36300 transitions. [2022-07-23 02:01:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:01:22,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 455 [2022-07-23 02:01:22,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:22,754 INFO L225 Difference]: With dead ends: 26133 [2022-07-23 02:01:22,755 INFO L226 Difference]: Without dead ends: 14730 [2022-07-23 02:01:22,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:01:22,786 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 2790 mSDsluCounter, 8441 mSDsCounter, 0 mSdLazyCounter, 6508 mSolverCounterSat, 1781 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 11969 SdHoareTripleChecker+Invalid, 8294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 6508 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:22,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 11969 Invalid, 8294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 6508 Invalid, 5 Unknown, 0 Unchecked, 19.1s Time] [2022-07-23 02:01:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14730 states. [2022-07-23 02:01:23,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14730 to 13591. [2022-07-23 02:01:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13591 states, 9514 states have (on average 1.2647677107420643) internal successors, (12033), 9667 states have internal predecessors, (12033), 3242 states have call successors, (3242), 830 states have call predecessors, (3242), 834 states have return successors, (3376), 3195 states have call predecessors, (3376), 3242 states have call successors, (3376) [2022-07-23 02:01:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13591 states to 13591 states and 18651 transitions. [2022-07-23 02:01:23,291 INFO L78 Accepts]: Start accepts. Automaton has 13591 states and 18651 transitions. Word has length 455 [2022-07-23 02:01:23,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:23,293 INFO L495 AbstractCegarLoop]: Abstraction has 13591 states and 18651 transitions. [2022-07-23 02:01:23,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:01:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 13591 states and 18651 transitions. [2022-07-23 02:01:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-23 02:01:23,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:23,302 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:23,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:01:23,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:23,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1066983577, now seen corresponding path program 1 times [2022-07-23 02:01:23,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:23,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86510724] [2022-07-23 02:01:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:01:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:01:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:01:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:01:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:01:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:01:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:01:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:01:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:01:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:01:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:01:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:01:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:01:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:01:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:01:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:01:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:01:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:01:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:01:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:01:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:01:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 02:01:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 02:01:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 02:01:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 02:01:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:01:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 02:01:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 02:01:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-23 02:01:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:23,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86510724] [2022-07-23 02:01:23,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86510724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:23,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:23,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:01:23,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157599357] [2022-07-23 02:01:23,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:23,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:01:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:23,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:01:23,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:01:23,819 INFO L87 Difference]: Start difference. First operand 13591 states and 18651 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:01:27,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:29,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:31,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:34,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:36,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:38,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:41,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:43,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:01:47,232 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 02:01:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:51,026 INFO L93 Difference]: Finished difference Result 30582 states and 42507 transitions. [2022-07-23 02:01:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:01:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 453 [2022-07-23 02:01:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:51,099 INFO L225 Difference]: With dead ends: 30582 [2022-07-23 02:01:51,100 INFO L226 Difference]: Without dead ends: 17012 [2022-07-23 02:01:51,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:01:51,143 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 2588 mSDsluCounter, 8618 mSDsCounter, 0 mSdLazyCounter, 6738 mSolverCounterSat, 1694 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 12264 SdHoareTripleChecker+Invalid, 8441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1694 IncrementalHoareTripleChecker+Valid, 6738 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:51,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 12264 Invalid, 8441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1694 Valid, 6738 Invalid, 9 Unknown, 0 Unchecked, 26.5s Time] [2022-07-23 02:01:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17012 states. [2022-07-23 02:01:51,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17012 to 15687. [2022-07-23 02:01:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15687 states, 10969 states have (on average 1.2650196006928618) internal successors, (13876), 11142 states have internal predecessors, (13876), 3748 states have call successors, (3748), 962 states have call predecessors, (3748), 969 states have return successors, (3918), 3698 states have call predecessors, (3918), 3748 states have call successors, (3918) [2022-07-23 02:01:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15687 states to 15687 states and 21542 transitions. [2022-07-23 02:01:51,726 INFO L78 Accepts]: Start accepts. Automaton has 15687 states and 21542 transitions. Word has length 453 [2022-07-23 02:01:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:51,727 INFO L495 AbstractCegarLoop]: Abstraction has 15687 states and 21542 transitions. [2022-07-23 02:01:51,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:01:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 15687 states and 21542 transitions. [2022-07-23 02:01:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-23 02:01:51,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:51,735 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:51,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:01:51,735 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:51,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:51,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1439735835, now seen corresponding path program 1 times [2022-07-23 02:01:51,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:51,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066090123] [2022-07-23 02:01:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:51,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:01:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:01:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:01:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:01:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:01:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:01:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:01:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:01:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:01:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:01:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:01:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:01:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:01:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:01:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:01:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:01:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:01:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:01:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:01:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:01:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:01:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 02:01:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:01:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-23 02:01:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 02:01:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:01:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:01:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:01:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 02:01:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-23 02:01:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-23 02:01:52,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:52,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066090123] [2022-07-23 02:01:52,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066090123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:52,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:52,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:01:52,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890437545] [2022-07-23 02:01:52,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:52,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:01:52,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:52,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:01:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:01:52,183 INFO L87 Difference]: Start difference. First operand 15687 states and 21542 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:01:55,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:01:57,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:00,598 WARN L534 Checker$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 02:02:02,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:06,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:09,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:13,729 INFO L93 Difference]: Finished difference Result 33961 states and 47183 transitions. [2022-07-23 02:02:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:02:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 457 [2022-07-23 02:02:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:13,816 INFO L225 Difference]: With dead ends: 33961 [2022-07-23 02:02:13,816 INFO L226 Difference]: Without dead ends: 18295 [2022-07-23 02:02:13,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:02:13,918 INFO L413 NwaCegarLoop]: 3537 mSDtfsCounter, 2406 mSDsluCounter, 8484 mSDsCounter, 0 mSdLazyCounter, 6545 mSolverCounterSat, 1601 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 12021 SdHoareTripleChecker+Invalid, 8152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 6545 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:13,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 12021 Invalid, 8152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 6545 Invalid, 6 Unknown, 0 Unchecked, 20.7s Time] [2022-07-23 02:02:13,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18295 states. [2022-07-23 02:02:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18295 to 16896. [2022-07-23 02:02:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16896 states, 11835 states have (on average 1.2651457541191382) internal successors, (14973), 12021 states have internal predecessors, (14973), 4019 states have call successors, (4019), 1034 states have call predecessors, (4019), 1041 states have return successors, (4202), 3965 states have call predecessors, (4202), 4019 states have call successors, (4202) [2022-07-23 02:02:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16896 states to 16896 states and 23194 transitions. [2022-07-23 02:02:14,475 INFO L78 Accepts]: Start accepts. Automaton has 16896 states and 23194 transitions. Word has length 457 [2022-07-23 02:02:14,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:14,475 INFO L495 AbstractCegarLoop]: Abstraction has 16896 states and 23194 transitions. [2022-07-23 02:02:14,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:02:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 16896 states and 23194 transitions. [2022-07-23 02:02:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-23 02:02:14,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:14,491 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:14,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:02:14,491 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:14,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1821192890, now seen corresponding path program 1 times [2022-07-23 02:02:14,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:14,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790323583] [2022-07-23 02:02:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:02:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:02:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:02:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:02:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:02:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:02:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:02:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:02:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 02:02:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 02:02:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 02:02:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:02:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 02:02:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 02:02:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 02:02:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-23 02:02:14,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:14,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790323583] [2022-07-23 02:02:14,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790323583] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:14,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:14,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:14,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403396894] [2022-07-23 02:02:14,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:14,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:14,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:14,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:14,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:14,870 INFO L87 Difference]: Start difference. First operand 16896 states and 23194 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:02:17,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:20,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:22,584 WARN L534 Checker$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 02:02:24,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:26,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:29,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:32,314 WARN L534 Checker$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 02:02:34,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:37,071 WARN L534 Checker$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 02:02:39,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:39,921 INFO L93 Difference]: Finished difference Result 37058 states and 51446 transitions. [2022-07-23 02:02:39,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:39,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 472 [2022-07-23 02:02:39,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:40,014 INFO L225 Difference]: With dead ends: 37058 [2022-07-23 02:02:40,015 INFO L226 Difference]: Without dead ends: 20183 [2022-07-23 02:02:40,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 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 02:02:40,160 INFO L413 NwaCegarLoop]: 3710 mSDtfsCounter, 2568 mSDsluCounter, 4218 mSDsCounter, 0 mSdLazyCounter, 3106 mSolverCounterSat, 1686 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 3106 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:40,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 7928 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1686 Valid, 3106 Invalid, 9 Unknown, 0 Unchecked, 24.3s Time] [2022-07-23 02:02:40,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20183 states. [2022-07-23 02:02:40,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20183 to 18667. [2022-07-23 02:02:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18667 states, 13061 states have (on average 1.2646811117066075) internal successors, (16518), 13271 states have internal predecessors, (16518), 4445 states have call successors, (4445), 1152 states have call predecessors, (4445), 1160 states have return successors, (4652), 4384 states have call predecessors, (4652), 4445 states have call successors, (4652) [2022-07-23 02:02:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18667 states to 18667 states and 25615 transitions. [2022-07-23 02:02:40,846 INFO L78 Accepts]: Start accepts. Automaton has 18667 states and 25615 transitions. Word has length 472 [2022-07-23 02:02:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:40,847 INFO L495 AbstractCegarLoop]: Abstraction has 18667 states and 25615 transitions. [2022-07-23 02:02:40,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:02:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 18667 states and 25615 transitions. [2022-07-23 02:02:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-23 02:02:40,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:40,855 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:40,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:02:40,856 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:40,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash 908815197, now seen corresponding path program 1 times [2022-07-23 02:02:40,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:40,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634008024] [2022-07-23 02:02:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:40,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:02:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:02:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:02:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:02:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:02:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:02:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:02:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:02:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 02:02:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 02:02:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 02:02:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:02:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 02:02:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 02:02:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:02:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-23 02:02:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 02:02:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:02:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 02:02:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 02:02:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-23 02:02:41,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:41,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634008024] [2022-07-23 02:02:41,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634008024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:41,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:41,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 02:02:41,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311772819] [2022-07-23 02:02:41,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:41,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 02:02:41,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:41,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 02:02:41,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:41,327 INFO L87 Difference]: Start difference. First operand 18667 states and 25615 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-23 02:02:44,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:46,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:49,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:02:51,799 WARN L534 Checker$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 02:02:54,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []