./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-alteon-acenic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-alteon-acenic.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 c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:42:02,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:42:02,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:42:02,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:42:02,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:42:02,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:42:02,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:42:02,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:42:02,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:42:02,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:42:02,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:42:02,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:42:02,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:42:02,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:42:02,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:42:02,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:42:02,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:42:02,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:42:02,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:42:02,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:42:02,243 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:42:02,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:42:02,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:42:02,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:42:02,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:42:02,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:42:02,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:42:02,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:42:02,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:42:02,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:42:02,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:42:02,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:42:02,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:42:02,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:42:02,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:42:02,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:42:02,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:42:02,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:42:02,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:42:02,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:42:02,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:42:02,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:42:02,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:42:02,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:42:02,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:42:02,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:42:02,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:42:02,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:42:02,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:42:02,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:42:02,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:42:02,297 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:42:02,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:42:02,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:42:02,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:42:02,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:42:02,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:42:02,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:42:02,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:42:02,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:42:02,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:42:02,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:42:02,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:42:02,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:42:02,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:42:02,301 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:42:02,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:42:02,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:42:02,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 [2022-07-12 14:42:02,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:42:02,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:42:02,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:42:02,509 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:42:02,509 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:42:02,510 INFO L432 ainManager$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-alteon-acenic.cil.i [2022-07-12 14:42:02,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3151f4e4/28b0aa8b70c148b5bf3fd2cde86e36df/FLAGbf0edd2f2 [2022-07-12 14:42:03,275 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:42:03,275 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-alteon-acenic.cil.i [2022-07-12 14:42:03,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3151f4e4/28b0aa8b70c148b5bf3fd2cde86e36df/FLAGbf0edd2f2 [2022-07-12 14:42:03,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3151f4e4/28b0aa8b70c148b5bf3fd2cde86e36df [2022-07-12 14:42:03,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:42:03,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:42:03,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:42:03,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:42:03,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:42:03,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:03" (1/1) ... [2022-07-12 14:42:03,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222cc627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:03, skipping insertion in model container [2022-07-12 14:42:03,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:03" (1/1) ... [2022-07-12 14:42:03,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:42:03,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:42:05,715 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-alteon-acenic.cil.i[373388,373401] [2022-07-12 14:42:05,718 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-alteon-acenic.cil.i[373533,373546] [2022-07-12 14:42:05,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:05,772 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:42:06,042 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-alteon-acenic.cil.i[373388,373401] [2022-07-12 14:42:06,043 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-alteon-acenic.cil.i[373533,373546] [2022-07-12 14:42:06,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:06,188 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:42:06,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06 WrapperNode [2022-07-12 14:42:06,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:42:06,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:42:06,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:42:06,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:42:06,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,470 INFO L137 Inliner]: procedures = 424, calls = 2434, calls flagged for inlining = 186, calls inlined = 170, statements flattened = 6192 [2022-07-12 14:42:06,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:42:06,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:42:06,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:42:06,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:42:06,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:42:06,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:42:06,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:42:06,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:42:06,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (1/1) ... [2022-07-12 14:42:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:42:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:42:06,805 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) [2022-07-12 14:42:06,861 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 [2022-07-12 14:42:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:42:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:42:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:42:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:42:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 14:42:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 14:42:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:42:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:42:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:42:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:42:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 14:42:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 14:42:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-12 14:42:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-12 14:42:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:42:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:42:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_start [2022-07-12 14:42:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_start [2022-07-12 14:42:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:42:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:42:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 14:42:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 14:42:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_jumbo_rx_ring [2022-07-12 14:42:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_jumbo_rx_ring [2022-07-12 14:42:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_std_rx_ring [2022-07-12 14:42:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_std_rx_ring [2022-07-12 14:42:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-12 14:42:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-12 14:42:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:42:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:42:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:42:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:42:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 14:42:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 14:42:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:42:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:42:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:42:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:42:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 14:42:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 14:42:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_multicast_list [2022-07-12 14:42:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_multicast_list [2022-07-12 14:42:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_txprd [2022-07-12 14:42:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_txprd [2022-07-12 14:42:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_check_ack [2022-07-12 14:42:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_check_ack [2022-07-12 14:42:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:42:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-12 14:42:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-12 14:42:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-12 14:42:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-12 14:42:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_rxtx_parms [2022-07-12 14:42:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_rxtx_parms [2022-07-12 14:42:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:42:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:42:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom_byte [2022-07-12 14:42:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom_byte [2022-07-12 14:42:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:42:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:42:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:42:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:42:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:42:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:42:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure tx_space [2022-07-12 14:42:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_space [2022-07-12 14:42:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:42:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:42:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:42:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 14:42:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 14:42:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_aceaddr [2022-07-12 14:42:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_aceaddr [2022-07-12 14:42:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:42:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:42:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:42:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:42:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:42:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:42:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 14:42:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 14:42:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:42:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:42:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:42:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:42:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:42:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-12 14:42:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-12 14:42:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:42:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:42:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:42:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:42:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:42:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:42:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:42:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:42:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:42:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:42:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:42:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:42:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_prep [2022-07-12 14:42:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_prep [2022-07-12 14:42:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:42:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:42:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:42:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:42:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ace_issue_cmd [2022-07-12 14:42:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_issue_cmd [2022-07-12 14:42:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:42:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:42:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:42:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:42:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 14:42:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 14:42:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:42:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:42:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 14:42:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 14:42:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:42:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:42:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 14:42:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 14:42:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_mini_rx_ring [2022-07-12 14:42:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_mini_rx_ring [2022-07-12 14:42:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:42:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:42:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:42:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:42:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-12 14:42:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-12 14:42:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-12 14:42:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-12 14:42:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 14:42:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 14:42:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-07-12 14:42:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-07-12 14:42:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:42:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:42:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:42:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:42:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:42:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:42:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-12 14:42:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-12 14:42:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 14:42:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 14:42:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure acenic_remove_one [2022-07-12 14:42:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure acenic_remove_one [2022-07-12 14:42:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:42:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:42:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:42:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure ace_init_cleanup [2022-07-12 14:42:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_init_cleanup [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 14:42:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:42:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:42:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:42:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-12 14:42:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-12 14:42:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:42:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:42:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:42:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:42:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 14:42:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 14:42:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:42:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:42:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-12 14:42:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-12 14:42:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:42:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:42:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:42:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:42:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:42:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:42:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:42:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:42:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:42:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ace_open [2022-07-12 14:42:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_open [2022-07-12 14:42:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ace_close [2022-07-12 14:42:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_close [2022-07-12 14:42:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:42:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:42:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2022-07-12 14:42:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2022-07-12 14:42:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ace_map_tx_skb [2022-07-12 14:42:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_map_tx_skb [2022-07-12 14:42:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_tx_bd [2022-07-12 14:42:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_tx_bd [2022-07-12 14:42:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-12 14:42:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-12 14:42:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure ace_watchdog [2022-07-12 14:42:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_watchdog [2022-07-12 14:42:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:42:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:42:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:42:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:42:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:42:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-07-12 14:42:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-07-12 14:42:07,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:42:07,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:42:07,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:42:10,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:42:10,363 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:42:10,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:42:10,385 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:42:10,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:42:10 BoogieIcfgContainer [2022-07-12 14:42:10,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:42:10,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:42:10,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:42:10,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:42:10,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:42:03" (1/3) ... [2022-07-12 14:42:10,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adf5aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:42:10, skipping insertion in model container [2022-07-12 14:42:10,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:06" (2/3) ... [2022-07-12 14:42:10,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adf5aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:42:10, skipping insertion in model container [2022-07-12 14:42:10,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:42:10" (3/3) ... [2022-07-12 14:42:10,398 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2022-07-12 14:42:10,410 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:42:10,410 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:42:10,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:42:10,524 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@7550a0f3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@62fe2c4d [2022-07-12 14:42:10,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:42:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 2307 states, 1613 states have (on average 1.4153750774953502) internal successors, (2283), 1675 states have internal predecessors, (2283), 600 states have call successors, (600), 94 states have call predecessors, (600), 93 states have return successors, (595), 580 states have call predecessors, (595), 595 states have call successors, (595) [2022-07-12 14:42:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 14:42:10,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:10,563 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 14:42:10,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:10,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1437914872, now seen corresponding path program 1 times [2022-07-12 14:42:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:10,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557821166] [2022-07-12 14:42:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 14:42:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 14:42:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 14:42:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-07-12 14:42:11,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:11,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557821166] [2022-07-12 14:42:11,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557821166] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:11,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:11,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:42:11,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228107760] [2022-07-12 14:42:11,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:11,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:42:11,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:42:11,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:42:11,223 INFO L87 Difference]: Start difference. First operand has 2307 states, 1613 states have (on average 1.4153750774953502) internal successors, (2283), 1675 states have internal predecessors, (2283), 600 states have call successors, (600), 94 states have call predecessors, (600), 93 states have return successors, (595), 580 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 14:42:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:15,507 INFO L93 Difference]: Finished difference Result 6554 states and 10080 transitions. [2022-07-12 14:42:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:42:15,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 127 [2022-07-12 14:42:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:15,573 INFO L225 Difference]: With dead ends: 6554 [2022-07-12 14:42:15,578 INFO L226 Difference]: Without dead ends: 4187 [2022-07-12 14:42:15,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:15,632 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3386 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 2642 mSolverCounterSat, 1799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3896 SdHoareTripleChecker+Valid, 6518 SdHoareTripleChecker+Invalid, 4441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1799 IncrementalHoareTripleChecker+Valid, 2642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:15,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3896 Valid, 6518 Invalid, 4441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1799 Valid, 2642 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 14:42:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4187 states. [2022-07-12 14:42:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4187 to 4049. [2022-07-12 14:42:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4049 states, 2823 states have (on average 1.2883457314913214) internal successors, (3637), 2930 states have internal predecessors, (3637), 1051 states have call successors, (1051), 174 states have call predecessors, (1051), 174 states have return successors, (1053), 1023 states have call predecessors, (1053), 1051 states have call successors, (1053) [2022-07-12 14:42:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 4049 states and 5741 transitions. [2022-07-12 14:42:15,885 INFO L78 Accepts]: Start accepts. Automaton has 4049 states and 5741 transitions. Word has length 127 [2022-07-12 14:42:15,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:15,886 INFO L495 AbstractCegarLoop]: Abstraction has 4049 states and 5741 transitions. [2022-07-12 14:42:15,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 14:42:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 5741 transitions. [2022-07-12 14:42:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-12 14:42:15,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:15,895 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-07-12 14:42:15,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:42:15,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:15,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1586781016, now seen corresponding path program 1 times [2022-07-12 14:42:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:15,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167580879] [2022-07-12 14:42:15,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:15,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:42:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:42:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:42:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 14:42:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 14:42:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-07-12 14:42:16,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:16,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167580879] [2022-07-12 14:42:16,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167580879] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:16,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:16,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:16,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210193542] [2022-07-12 14:42:16,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:16,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:16,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:16,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:16,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:16,265 INFO L87 Difference]: Start difference. First operand 4049 states and 5741 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 14:42:20,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:20,095 INFO L93 Difference]: Finished difference Result 10094 states and 14383 transitions. [2022-07-12 14:42:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:20,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-07-12 14:42:20,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:20,123 INFO L225 Difference]: With dead ends: 10094 [2022-07-12 14:42:20,123 INFO L226 Difference]: Without dead ends: 6062 [2022-07-12 14:42:20,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:20,137 INFO L413 NwaCegarLoop]: 3573 mSDtfsCounter, 3208 mSDsluCounter, 4664 mSDsCounter, 0 mSdLazyCounter, 3341 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 8237 SdHoareTripleChecker+Invalid, 5646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 3341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:20,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3414 Valid, 8237 Invalid, 5646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 3341 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:42:20,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6062 states. [2022-07-12 14:42:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6062 to 5525. [2022-07-12 14:42:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 3924 states have (on average 1.2902650356778798) internal successors, (5063), 4080 states have internal predecessors, (5063), 1336 states have call successors, (1336), 264 states have call predecessors, (1336), 264 states have return successors, (1338), 1300 states have call predecessors, (1338), 1336 states have call successors, (1338) [2022-07-12 14:42:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 7737 transitions. [2022-07-12 14:42:20,319 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 7737 transitions. Word has length 172 [2022-07-12 14:42:20,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:20,320 INFO L495 AbstractCegarLoop]: Abstraction has 5525 states and 7737 transitions. [2022-07-12 14:42:20,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 14:42:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 7737 transitions. [2022-07-12 14:42:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 14:42:20,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:20,323 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:42:20,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:42:20,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:20,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1735662704, now seen corresponding path program 1 times [2022-07-12 14:42:20,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:20,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326988601] [2022-07-12 14:42:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 14:42:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 14:42:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 14:42:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 14:42:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:42:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:42:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:42:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 14:42:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 14:42:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-12 14:42:20,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:20,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326988601] [2022-07-12 14:42:20,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326988601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:20,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:20,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:42:20,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443213037] [2022-07-12 14:42:20,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:20,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:42:20,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:20,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:42:20,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:42:20,597 INFO L87 Difference]: Start difference. First operand 5525 states and 7737 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:23,591 INFO L93 Difference]: Finished difference Result 15864 states and 22312 transitions. [2022-07-12 14:42:23,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:42:23,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2022-07-12 14:42:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:23,644 INFO L225 Difference]: With dead ends: 15864 [2022-07-12 14:42:23,644 INFO L226 Difference]: Without dead ends: 10356 [2022-07-12 14:42:23,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:23,667 INFO L413 NwaCegarLoop]: 3719 mSDtfsCounter, 3613 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 2590 mSolverCounterSat, 1689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4129 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1689 IncrementalHoareTripleChecker+Valid, 2590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:23,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4129 Valid, 7145 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1689 Valid, 2590 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 14:42:23,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10356 states. [2022-07-12 14:42:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10356 to 9929. [2022-07-12 14:42:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9929 states, 7004 states have (on average 1.2841233580810965) internal successors, (8994), 7281 states have internal predecessors, (8994), 2443 states have call successors, (2443), 481 states have call predecessors, (2443), 481 states have return successors, (2460), 2367 states have call predecessors, (2460), 2443 states have call successors, (2460) [2022-07-12 14:42:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9929 states to 9929 states and 13897 transitions. [2022-07-12 14:42:23,969 INFO L78 Accepts]: Start accepts. Automaton has 9929 states and 13897 transitions. Word has length 162 [2022-07-12 14:42:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:23,970 INFO L495 AbstractCegarLoop]: Abstraction has 9929 states and 13897 transitions. [2022-07-12 14:42:23,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9929 states and 13897 transitions. [2022-07-12 14:42:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-12 14:42:23,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:23,974 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 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] [2022-07-12 14:42:23,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:42:23,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:23,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:23,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1408737629, now seen corresponding path program 1 times [2022-07-12 14:42:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:23,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597651832] [2022-07-12 14:42:23,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 14:42:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:42:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 14:42:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:42:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 14:42:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 14:42:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 14:42:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-07-12 14:42:24,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:24,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597651832] [2022-07-12 14:42:24,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597651832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:24,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:24,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:24,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473629808] [2022-07-12 14:42:24,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:24,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:24,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:24,313 INFO L87 Difference]: Start difference. First operand 9929 states and 13897 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 14:42:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:28,098 INFO L93 Difference]: Finished difference Result 23312 states and 32867 transitions. [2022-07-12 14:42:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:28,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 232 [2022-07-12 14:42:28,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:28,211 INFO L225 Difference]: With dead ends: 23312 [2022-07-12 14:42:28,211 INFO L226 Difference]: Without dead ends: 13400 [2022-07-12 14:42:28,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:28,250 INFO L413 NwaCegarLoop]: 4214 mSDtfsCounter, 2783 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 2129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 9554 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2129 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:28,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 9554 Invalid, 5500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2129 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:42:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13400 states. [2022-07-12 14:42:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13400 to 12228. [2022-07-12 14:42:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12228 states, 8718 states have (on average 1.2840100940582702) internal successors, (11194), 9071 states have internal predecessors, (11194), 2882 states have call successors, (2882), 627 states have call predecessors, (2882), 627 states have return successors, (2899), 2790 states have call predecessors, (2899), 2882 states have call successors, (2899) [2022-07-12 14:42:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 16975 transitions. [2022-07-12 14:42:28,669 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 16975 transitions. Word has length 232 [2022-07-12 14:42:28,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:28,670 INFO L495 AbstractCegarLoop]: Abstraction has 12228 states and 16975 transitions. [2022-07-12 14:42:28,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 14:42:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 16975 transitions. [2022-07-12 14:42:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-12 14:42:28,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:28,675 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:42:28,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:42:28,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:28,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:28,675 INFO L85 PathProgramCache]: Analyzing trace with hash 624898001, now seen corresponding path program 1 times [2022-07-12 14:42:28,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:28,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938738919] [2022-07-12 14:42:28,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:28,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:42:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:42:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 14:42:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:42:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 14:42:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 14:42:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-07-12 14:42:28,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:28,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938738919] [2022-07-12 14:42:28,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938738919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:28,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:28,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290677837] [2022-07-12 14:42:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:28,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:28,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:28,979 INFO L87 Difference]: Start difference. First operand 12228 states and 16975 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 14:42:32,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:32,412 INFO L93 Difference]: Finished difference Result 28074 states and 39293 transitions. [2022-07-12 14:42:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:32,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 306 [2022-07-12 14:42:32,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:32,459 INFO L225 Difference]: With dead ends: 28074 [2022-07-12 14:42:32,459 INFO L226 Difference]: Without dead ends: 15863 [2022-07-12 14:42:32,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:32,492 INFO L413 NwaCegarLoop]: 4211 mSDtfsCounter, 2779 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 9561 SdHoareTripleChecker+Invalid, 5454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:32,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2987 Valid, 9561 Invalid, 5454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2109 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 14:42:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15863 states. [2022-07-12 14:42:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15863 to 14492. [2022-07-12 14:42:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14492 states, 10410 states have (on average 1.2845341018251681) internal successors, (13372), 10839 states have internal predecessors, (13372), 3309 states have call successors, (3309), 772 states have call predecessors, (3309), 772 states have return successors, (3326), 3201 states have call predecessors, (3326), 3309 states have call successors, (3326) [2022-07-12 14:42:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14492 states to 14492 states and 20007 transitions. [2022-07-12 14:42:33,006 INFO L78 Accepts]: Start accepts. Automaton has 14492 states and 20007 transitions. Word has length 306 [2022-07-12 14:42:33,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:33,006 INFO L495 AbstractCegarLoop]: Abstraction has 14492 states and 20007 transitions. [2022-07-12 14:42:33,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 14:42:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14492 states and 20007 transitions. [2022-07-12 14:42:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-12 14:42:33,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:33,010 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:42:33,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:42:33,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:33,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1408496045, now seen corresponding path program 1 times [2022-07-12 14:42:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:33,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420127907] [2022-07-12 14:42:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:42:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:42:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 14:42:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:42:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 14:42:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 14:42:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-07-12 14:42:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:33,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420127907] [2022-07-12 14:42:33,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420127907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:33,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:33,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:33,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822958200] [2022-07-12 14:42:33,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:33,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:33,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:33,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:33,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:33,336 INFO L87 Difference]: Start difference. First operand 14492 states and 20007 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 14:42:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:36,258 INFO L93 Difference]: Finished difference Result 33471 states and 46564 transitions. [2022-07-12 14:42:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:36,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 306 [2022-07-12 14:42:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:36,317 INFO L225 Difference]: With dead ends: 33471 [2022-07-12 14:42:36,317 INFO L226 Difference]: Without dead ends: 18996 [2022-07-12 14:42:36,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:36,354 INFO L413 NwaCegarLoop]: 4286 mSDtfsCounter, 3965 mSDsluCounter, 4768 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 2524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4328 SdHoareTripleChecker+Valid, 9054 SdHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2524 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:36,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4328 Valid, 9054 Invalid, 5305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2524 Valid, 2781 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 14:42:36,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18996 states. [2022-07-12 14:42:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18996 to 17313. [2022-07-12 14:42:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17313 states, 12479 states have (on average 1.2817533456206427) internal successors, (15995), 12992 states have internal predecessors, (15995), 3853 states have call successors, (3853), 980 states have call predecessors, (3853), 980 states have return successors, (3870), 3728 states have call predecessors, (3870), 3853 states have call successors, (3870) [2022-07-12 14:42:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17313 states to 17313 states and 23718 transitions. [2022-07-12 14:42:36,865 INFO L78 Accepts]: Start accepts. Automaton has 17313 states and 23718 transitions. Word has length 306 [2022-07-12 14:42:36,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:36,866 INFO L495 AbstractCegarLoop]: Abstraction has 17313 states and 23718 transitions. [2022-07-12 14:42:36,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 14:42:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 17313 states and 23718 transitions. [2022-07-12 14:42:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-12 14:42:36,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:36,872 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2022-07-12 14:42:36,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:42:36,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:36,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:36,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1998283998, now seen corresponding path program 1 times [2022-07-12 14:42:36,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:36,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315418114] [2022-07-12 14:42:36,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:36,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:42:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:42:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:42:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:42:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:42:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:42:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-12 14:42:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-12 14:42:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 14:42:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:42:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 14:42:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 14:42:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2022-07-12 14:42:37,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:37,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315418114] [2022-07-12 14:42:37,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315418114] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:37,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:37,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:37,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544524980] [2022-07-12 14:42:37,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:37,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:37,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:37,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:37,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:37,362 INFO L87 Difference]: Start difference. First operand 17313 states and 23718 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 14:42:41,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:41,599 INFO L93 Difference]: Finished difference Result 38747 states and 53627 transitions. [2022-07-12 14:42:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:41,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 379 [2022-07-12 14:42:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:41,676 INFO L225 Difference]: With dead ends: 38747 [2022-07-12 14:42:41,676 INFO L226 Difference]: Without dead ends: 21451 [2022-07-12 14:42:41,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:41,724 INFO L413 NwaCegarLoop]: 3598 mSDtfsCounter, 2946 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 2318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 8107 SdHoareTripleChecker+Invalid, 5668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2318 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:41,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 8107 Invalid, 5668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2318 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 14:42:41,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21451 states. [2022-07-12 14:42:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21451 to 19569. [2022-07-12 14:42:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19569 states, 14167 states have (on average 1.282487470883038) internal successors, (18169), 14756 states have internal predecessors, (18169), 4280 states have call successors, (4280), 1121 states have call predecessors, (4280), 1121 states have return successors, (4297), 4139 states have call predecessors, (4297), 4280 states have call successors, (4297) [2022-07-12 14:42:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19569 states to 19569 states and 26746 transitions. [2022-07-12 14:42:42,354 INFO L78 Accepts]: Start accepts. Automaton has 19569 states and 26746 transitions. Word has length 379 [2022-07-12 14:42:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:42,357 INFO L495 AbstractCegarLoop]: Abstraction has 19569 states and 26746 transitions. [2022-07-12 14:42:42,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 14:42:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 19569 states and 26746 transitions. [2022-07-12 14:42:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-12 14:42:42,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:42,363 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2022-07-12 14:42:42,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:42:42,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:42,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:42,364 INFO L85 PathProgramCache]: Analyzing trace with hash -35110048, now seen corresponding path program 1 times [2022-07-12 14:42:42,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:42,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65914533] [2022-07-12 14:42:42,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:42,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:42:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:42:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:42:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:42:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:42:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:42:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-12 14:42:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-12 14:42:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 14:42:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:42:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 14:42:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 14:42:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2022-07-12 14:42:42,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:42,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65914533] [2022-07-12 14:42:42,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65914533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:42,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:42,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:42:42,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663966348] [2022-07-12 14:42:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:42,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:42:42,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:42,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:42:42,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:42:42,720 INFO L87 Difference]: Start difference. First operand 19569 states and 26746 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 14:42:45,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:45,933 INFO L93 Difference]: Finished difference Result 43506 states and 60075 transitions. [2022-07-12 14:42:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:42:45,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 379 [2022-07-12 14:42:45,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:46,006 INFO L225 Difference]: With dead ends: 43506 [2022-07-12 14:42:46,006 INFO L226 Difference]: Without dead ends: 23954 [2022-07-12 14:42:46,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:42:46,052 INFO L413 NwaCegarLoop]: 4209 mSDtfsCounter, 2816 mSDsluCounter, 5337 mSDsCounter, 0 mSdLazyCounter, 3351 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 9546 SdHoareTripleChecker+Invalid, 5471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 3351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:46,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 9546 Invalid, 5471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2120 Valid, 3351 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 14:42:46,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23954 states. [2022-07-12 14:42:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23954 to 21873. [2022-07-12 14:42:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 15895 states have (on average 1.282856244101919) internal successors, (20391), 16560 states have internal predecessors, (20391), 4711 states have call successors, (4711), 1266 states have call predecessors, (4711), 1266 states have return successors, (4728), 4554 states have call predecessors, (4728), 4711 states have call successors, (4728) [2022-07-12 14:42:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 29830 transitions. [2022-07-12 14:42:46,620 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 29830 transitions. Word has length 379 [2022-07-12 14:42:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:46,621 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 29830 transitions. [2022-07-12 14:42:46,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 14:42:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 29830 transitions. [2022-07-12 14:42:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-07-12 14:42:46,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:46,628 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2022-07-12 14:42:46,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 14:42:46,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:46,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash -74262563, now seen corresponding path program 1 times [2022-07-12 14:42:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:46,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976462509] [2022-07-12 14:42:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:42:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:42:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:42:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:42:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:42:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:42:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:42:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 14:42:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:42:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 14:42:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:42:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 14:42:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 14:42:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 14:42:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 14:42:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-12 14:42:47,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:47,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976462509] [2022-07-12 14:42:47,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976462509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:47,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:47,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:42:47,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92234782] [2022-07-12 14:42:47,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:47,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:42:47,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:47,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:42:47,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:42:47,142 INFO L87 Difference]: Start difference. First operand 21873 states and 29830 transitions. Second operand has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:42:53,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:53,729 INFO L93 Difference]: Finished difference Result 49339 states and 67955 transitions. [2022-07-12 14:42:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:42:53,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 420 [2022-07-12 14:42:53,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:53,823 INFO L225 Difference]: With dead ends: 49339 [2022-07-12 14:42:53,823 INFO L226 Difference]: Without dead ends: 27483 [2022-07-12 14:42:53,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:42:53,875 INFO L413 NwaCegarLoop]: 4412 mSDtfsCounter, 3174 mSDsluCounter, 10392 mSDsCounter, 0 mSdLazyCounter, 8367 mSolverCounterSat, 2367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3422 SdHoareTripleChecker+Valid, 14804 SdHoareTripleChecker+Invalid, 10734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2367 IncrementalHoareTripleChecker+Valid, 8367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:53,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3422 Valid, 14804 Invalid, 10734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2367 Valid, 8367 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-12 14:42:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27483 states. [2022-07-12 14:42:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27483 to 24889. [2022-07-12 14:42:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24889 states, 18069 states have (on average 1.2804803807626322) internal successors, (23137), 18831 states have internal predecessors, (23137), 5345 states have call successors, (5345), 1472 states have call predecessors, (5345), 1474 states have return successors, (5367), 5169 states have call predecessors, (5367), 5345 states have call successors, (5367) [2022-07-12 14:42:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24889 states to 24889 states and 33849 transitions. [2022-07-12 14:42:54,582 INFO L78 Accepts]: Start accepts. Automaton has 24889 states and 33849 transitions. Word has length 420 [2022-07-12 14:42:54,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:54,583 INFO L495 AbstractCegarLoop]: Abstraction has 24889 states and 33849 transitions. [2022-07-12 14:42:54,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:42:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24889 states and 33849 transitions. [2022-07-12 14:42:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-07-12 14:42:54,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:54,591 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2022-07-12 14:42:54,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 14:42:54,591 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:54,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1149363515, now seen corresponding path program 1 times [2022-07-12 14:42:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:42:54,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383200924] [2022-07-12 14:42:54,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:42:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:42:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:42:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:42:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:42:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:42:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:42:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:42:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:42:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:42:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:42:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:42:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:42:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:42:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:42:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:42:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:42:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:42:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:42:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:42:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:42:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:42:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:42:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:42:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:42:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:42:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:42:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:42:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:42:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:42:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 14:42:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 14:42:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 14:42:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:42:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:42:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:42:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 14:42:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:42:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 14:42:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-12 14:42:55,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:42:55,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383200924] [2022-07-12 14:42:55,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383200924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:55,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:55,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:42:55,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707971991] [2022-07-12 14:42:55,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:55,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:42:55,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:42:55,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:42:55,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:42:55,144 INFO L87 Difference]: Start difference. First operand 24889 states and 33849 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:00,791 INFO L93 Difference]: Finished difference Result 54838 states and 75378 transitions. [2022-07-12 14:43:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:43:00,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 421 [2022-07-12 14:43:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:00,901 INFO L225 Difference]: With dead ends: 54838 [2022-07-12 14:43:00,901 INFO L226 Difference]: Without dead ends: 29966 [2022-07-12 14:43:00,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:43:00,967 INFO L413 NwaCegarLoop]: 4209 mSDtfsCounter, 2790 mSDsluCounter, 10110 mSDsCounter, 0 mSdLazyCounter, 7834 mSolverCounterSat, 2116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2998 SdHoareTripleChecker+Valid, 14319 SdHoareTripleChecker+Invalid, 9950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2116 IncrementalHoareTripleChecker+Valid, 7834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:00,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2998 Valid, 14319 Invalid, 9950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2116 Valid, 7834 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 14:43:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29966 states. [2022-07-12 14:43:01,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29966 to 27173. [2022-07-12 14:43:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27173 states, 19769 states have (on average 1.280944913753857) internal successors, (25323), 20607 states have internal predecessors, (25323), 5776 states have call successors, (5776), 1621 states have call predecessors, (5776), 1627 states have return successors, (5802), 5588 states have call predecessors, (5802), 5776 states have call successors, (5802) [2022-07-12 14:43:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27173 states to 27173 states and 36901 transitions. [2022-07-12 14:43:01,887 INFO L78 Accepts]: Start accepts. Automaton has 27173 states and 36901 transitions. Word has length 421 [2022-07-12 14:43:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:01,888 INFO L495 AbstractCegarLoop]: Abstraction has 27173 states and 36901 transitions. [2022-07-12 14:43:01,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 27173 states and 36901 transitions. [2022-07-12 14:43:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-12 14:43:01,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:01,894 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2022-07-12 14:43:01,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 14:43:01,894 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:01,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:01,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2020811840, now seen corresponding path program 1 times [2022-07-12 14:43:01,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:01,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298336224] [2022-07-12 14:43:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:43:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 14:43:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:43:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:43:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 14:43:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 14:43:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 14:43:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-12 14:43:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:02,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298336224] [2022-07-12 14:43:02,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298336224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:02,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:02,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:43:02,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52155020] [2022-07-12 14:43:02,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:02,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:43:02,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:02,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:43:02,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:43:02,222 INFO L87 Difference]: Start difference. First operand 27173 states and 36901 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:07,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:07,585 INFO L93 Difference]: Finished difference Result 59569 states and 81790 transitions. [2022-07-12 14:43:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:43:07,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 422 [2022-07-12 14:43:07,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:07,710 INFO L225 Difference]: With dead ends: 59569 [2022-07-12 14:43:07,710 INFO L226 Difference]: Without dead ends: 32413 [2022-07-12 14:43:07,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:43:07,775 INFO L413 NwaCegarLoop]: 4209 mSDtfsCounter, 2777 mSDsluCounter, 10110 mSDsCounter, 0 mSdLazyCounter, 7847 mSolverCounterSat, 2119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 14319 SdHoareTripleChecker+Invalid, 9966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2119 IncrementalHoareTripleChecker+Valid, 7847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:07,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 14319 Invalid, 9966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2119 Valid, 7847 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-12 14:43:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32413 states. [2022-07-12 14:43:08,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32413 to 29421. [2022-07-12 14:43:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29421 states, 21449 states have (on average 1.2815982097067462) internal successors, (27489), 22363 states have internal predecessors, (27489), 6203 states have call successors, (6203), 1762 states have call predecessors, (6203), 1768 states have return successors, (6229), 5999 states have call predecessors, (6229), 6203 states have call successors, (6229) [2022-07-12 14:43:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29421 states to 29421 states and 39921 transitions. [2022-07-12 14:43:08,833 INFO L78 Accepts]: Start accepts. Automaton has 29421 states and 39921 transitions. Word has length 422 [2022-07-12 14:43:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:08,834 INFO L495 AbstractCegarLoop]: Abstraction has 29421 states and 39921 transitions. [2022-07-12 14:43:08,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (45), 4 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29421 states and 39921 transitions. [2022-07-12 14:43:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-12 14:43:08,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:08,841 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-12 14:43:08,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 14:43:08,842 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:08,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:08,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1623675674, now seen corresponding path program 1 times [2022-07-12 14:43:08,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:08,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379347786] [2022-07-12 14:43:08,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:08,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 14:43:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 14:43:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 14:43:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-12 14:43:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 14:43:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 14:43:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:43:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:43:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-07-12 14:43:09,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:09,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379347786] [2022-07-12 14:43:09,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379347786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:09,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:09,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:43:09,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440088912] [2022-07-12 14:43:09,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:09,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:43:09,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:43:09,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:43:09,254 INFO L87 Difference]: Start difference. First operand 29421 states and 39921 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:12,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:12,796 INFO L93 Difference]: Finished difference Result 64897 states and 88987 transitions. [2022-07-12 14:43:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:43:12,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 437 [2022-07-12 14:43:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:12,901 INFO L225 Difference]: With dead ends: 64897 [2022-07-12 14:43:12,901 INFO L226 Difference]: Without dead ends: 35493 [2022-07-12 14:43:12,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:43:12,972 INFO L413 NwaCegarLoop]: 4462 mSDtfsCounter, 3065 mSDsluCounter, 5467 mSDsCounter, 0 mSdLazyCounter, 3507 mSolverCounterSat, 2336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3312 SdHoareTripleChecker+Valid, 9929 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2336 IncrementalHoareTripleChecker+Valid, 3507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:12,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3312 Valid, 9929 Invalid, 5843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2336 Valid, 3507 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 14:43:13,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35493 states. [2022-07-12 14:43:13,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35493 to 32112. [2022-07-12 14:43:13,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32112 states, 23398 states have (on average 1.2806222754081547) internal successors, (29964), 24398 states have internal predecessors, (29964), 6755 states have call successors, (6755), 1952 states have call predecessors, (6755), 1958 states have return successors, (6781), 6531 states have call predecessors, (6781), 6755 states have call successors, (6781) [2022-07-12 14:43:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32112 states to 32112 states and 43500 transitions. [2022-07-12 14:43:13,962 INFO L78 Accepts]: Start accepts. Automaton has 32112 states and 43500 transitions. Word has length 437 [2022-07-12 14:43:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:13,962 INFO L495 AbstractCegarLoop]: Abstraction has 32112 states and 43500 transitions. [2022-07-12 14:43:13,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32112 states and 43500 transitions. [2022-07-12 14:43:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-12 14:43:13,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:13,968 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:13,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 14:43:13,969 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:13,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1246650917, now seen corresponding path program 1 times [2022-07-12 14:43:13,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:13,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748302326] [2022-07-12 14:43:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:43:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 14:43:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:43:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:43:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 14:43:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 14:43:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 14:43:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2022-07-12 14:43:14,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:14,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748302326] [2022-07-12 14:43:14,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748302326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:14,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:14,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:43:14,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16320937] [2022-07-12 14:43:14,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:14,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:43:14,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:14,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:43:14,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:43:14,335 INFO L87 Difference]: Start difference. First operand 32112 states and 43500 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:18,510 INFO L93 Difference]: Finished difference Result 70075 states and 95994 transitions. [2022-07-12 14:43:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:43:18,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 444 [2022-07-12 14:43:18,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:18,632 INFO L225 Difference]: With dead ends: 70075 [2022-07-12 14:43:18,632 INFO L226 Difference]: Without dead ends: 37980 [2022-07-12 14:43:18,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:43:18,724 INFO L413 NwaCegarLoop]: 4222 mSDtfsCounter, 2785 mSDsluCounter, 5349 mSDsCounter, 0 mSdLazyCounter, 3338 mSolverCounterSat, 2107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 9571 SdHoareTripleChecker+Invalid, 5445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2107 IncrementalHoareTripleChecker+Valid, 3338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:18,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 9571 Invalid, 5445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2107 Valid, 3338 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 14:43:18,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37980 states. [2022-07-12 14:43:19,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37980 to 34400. [2022-07-12 14:43:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34400 states, 25110 states have (on average 1.281162883313421) internal successors, (32170), 26186 states have internal predecessors, (32170), 7186 states have call successors, (7186), 2097 states have call predecessors, (7186), 2103 states have return successors, (7212), 6946 states have call predecessors, (7212), 7186 states have call successors, (7212) [2022-07-12 14:43:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34400 states to 34400 states and 46568 transitions. [2022-07-12 14:43:19,962 INFO L78 Accepts]: Start accepts. Automaton has 34400 states and 46568 transitions. Word has length 444 [2022-07-12 14:43:19,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:19,976 INFO L495 AbstractCegarLoop]: Abstraction has 34400 states and 46568 transitions. [2022-07-12 14:43:19,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:43:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 34400 states and 46568 transitions. [2022-07-12 14:43:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-12 14:43:19,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:19,982 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2022-07-12 14:43:19,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 14:43:19,982 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:19,983 INFO L85 PathProgramCache]: Analyzing trace with hash -930132611, now seen corresponding path program 1 times [2022-07-12 14:43:19,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:19,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872450876] [2022-07-12 14:43:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:43:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:43:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 14:43:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-12 14:43:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:43:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 14:43:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 14:43:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 14:43:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 14:43:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-12 14:43:20,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:20,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872450876] [2022-07-12 14:43:20,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872450876] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:20,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:20,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:43:20,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731388514] [2022-07-12 14:43:20,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:20,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:43:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:43:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:43:20,437 INFO L87 Difference]: Start difference. First operand 34400 states and 46568 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-12 14:43:24,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:24,519 INFO L93 Difference]: Finished difference Result 74798 states and 102394 transitions. [2022-07-12 14:43:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:43:24,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 458 [2022-07-12 14:43:24,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:24,676 INFO L225 Difference]: With dead ends: 74798 [2022-07-12 14:43:24,676 INFO L226 Difference]: Without dead ends: 40415 [2022-07-12 14:43:24,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:43:24,731 INFO L413 NwaCegarLoop]: 4214 mSDtfsCounter, 2787 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 3327 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 9548 SdHoareTripleChecker+Invalid, 5436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 3327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:24,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 9548 Invalid, 5436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2109 Valid, 3327 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 14:43:24,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40415 states. [2022-07-12 14:43:25,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40415 to 36636. [2022-07-12 14:43:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36636 states, 26778 states have (on average 1.2817984912988274) internal successors, (34324), 27930 states have internal predecessors, (34324), 7613 states have call successors, (7613), 2238 states have call predecessors, (7613), 2244 states have return successors, (7639), 7357 states have call predecessors, (7639), 7613 states have call successors, (7639) [2022-07-12 14:43:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36636 states to 36636 states and 49576 transitions. [2022-07-12 14:43:25,705 INFO L78 Accepts]: Start accepts. Automaton has 36636 states and 49576 transitions. Word has length 458 [2022-07-12 14:43:25,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:25,706 INFO L495 AbstractCegarLoop]: Abstraction has 36636 states and 49576 transitions. [2022-07-12 14:43:25,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-12 14:43:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36636 states and 49576 transitions. [2022-07-12 14:43:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-12 14:43:25,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:25,712 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:25,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 14:43:25,712 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:25,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:25,713 INFO L85 PathProgramCache]: Analyzing trace with hash 365697422, now seen corresponding path program 1 times [2022-07-12 14:43:25,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:25,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055673180] [2022-07-12 14:43:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:43:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 14:43:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 14:43:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 14:43:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 14:43:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-12 14:43:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 14:43:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 14:43:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2022-07-12 14:43:26,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:26,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055673180] [2022-07-12 14:43:26,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055673180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:26,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:26,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:43:26,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723841303] [2022-07-12 14:43:26,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:26,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:43:26,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:26,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:43:26,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:43:26,166 INFO L87 Difference]: Start difference. First operand 36636 states and 49576 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 14:43:32,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:32,887 INFO L93 Difference]: Finished difference Result 79796 states and 109133 transitions. [2022-07-12 14:43:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:43:32,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 476 [2022-07-12 14:43:32,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:33,054 INFO L225 Difference]: With dead ends: 79796 [2022-07-12 14:43:33,055 INFO L226 Difference]: Without dead ends: 43177 [2022-07-12 14:43:33,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:43:33,152 INFO L413 NwaCegarLoop]: 4341 mSDtfsCounter, 3226 mSDsluCounter, 10182 mSDsCounter, 0 mSdLazyCounter, 8358 mSolverCounterSat, 2439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 14523 SdHoareTripleChecker+Invalid, 10797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2439 IncrementalHoareTripleChecker+Valid, 8358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:33,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 14523 Invalid, 10797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2439 Valid, 8358 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-12 14:43:33,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43177 states. [2022-07-12 14:43:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43177 to 36925. [2022-07-12 14:43:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36925 states, 26979 states have (on average 1.2812557915415694) internal successors, (34567), 28137 states have internal predecessors, (34567), 7654 states have call successors, (7654), 2281 states have call predecessors, (7654), 2291 states have return successors, (7684), 7400 states have call predecessors, (7684), 7654 states have call successors, (7684) [2022-07-12 14:43:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36925 states to 36925 states and 49905 transitions. [2022-07-12 14:43:34,382 INFO L78 Accepts]: Start accepts. Automaton has 36925 states and 49905 transitions. Word has length 476 [2022-07-12 14:43:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:34,382 INFO L495 AbstractCegarLoop]: Abstraction has 36925 states and 49905 transitions. [2022-07-12 14:43:34,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 14:43:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 36925 states and 49905 transitions. [2022-07-12 14:43:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-12 14:43:34,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:34,389 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:34,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 14:43:34,389 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:34,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:34,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1559784550, now seen corresponding path program 1 times [2022-07-12 14:43:34,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:34,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121245153] [2022-07-12 14:43:34,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 14:43:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 14:43:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-12 14:43:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 14:43:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:43:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 14:43:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 14:43:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-12 14:43:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2022-07-12 14:43:34,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:34,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121245153] [2022-07-12 14:43:34,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121245153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:34,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:34,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:43:34,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043067427] [2022-07-12 14:43:34,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:34,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:43:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:34,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:43:34,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:43:34,732 INFO L87 Difference]: Start difference. First operand 36925 states and 49905 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 14:43:40,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:40,767 INFO L93 Difference]: Finished difference Result 80153 states and 109546 transitions. [2022-07-12 14:43:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:43:40,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 477 [2022-07-12 14:43:40,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:40,953 INFO L225 Difference]: With dead ends: 80153 [2022-07-12 14:43:40,954 INFO L226 Difference]: Without dead ends: 43245 [2022-07-12 14:43:41,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:43:41,072 INFO L413 NwaCegarLoop]: 4198 mSDtfsCounter, 2796 mSDsluCounter, 10100 mSDsCounter, 0 mSdLazyCounter, 7848 mSolverCounterSat, 2114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 14298 SdHoareTripleChecker+Invalid, 9962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2114 IncrementalHoareTripleChecker+Valid, 7848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:41,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 14298 Invalid, 9962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2114 Valid, 7848 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-12 14:43:41,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43245 states. [2022-07-12 14:43:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43245 to 36973. [2022-07-12 14:43:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2809225870941467) internal successors, (34599), 28169 states have internal predecessors, (34599), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:43:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49949 transitions. [2022-07-12 14:43:42,461 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49949 transitions. Word has length 477 [2022-07-12 14:43:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:42,462 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49949 transitions. [2022-07-12 14:43:42,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 14:43:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49949 transitions. [2022-07-12 14:43:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-07-12 14:43:42,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:42,469 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:42,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 14:43:42,469 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash 726905649, now seen corresponding path program 1 times [2022-07-12 14:43:42,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:42,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062390877] [2022-07-12 14:43:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:43:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:43:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:43:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:43:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:43:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:43:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:43:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:43:42,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:42,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062390877] [2022-07-12 14:43:42,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062390877] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:43:42,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579186200] [2022-07-12 14:43:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:43:42,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:43:42,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:43:42,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 14:43:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:43,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 3928 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:43,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:43:44,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:44,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579186200] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:44,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:43:44,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:43:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675639050] [2022-07-12 14:43:44,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:44,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:44,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:44,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:44,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:44,393 INFO L87 Difference]: Start difference. First operand 36973 states and 49949 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:45,416 INFO L93 Difference]: Finished difference Result 73929 states and 100194 transitions. [2022-07-12 14:43:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 478 [2022-07-12 14:43:45,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:45,569 INFO L225 Difference]: With dead ends: 73929 [2022-07-12 14:43:45,569 INFO L226 Difference]: Without dead ends: 36973 [2022-07-12 14:43:45,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:45,663 INFO L413 NwaCegarLoop]: 3177 mSDtfsCounter, 2954 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:45,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 3177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:43:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36973 states. [2022-07-12 14:43:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36973 to 36973. [2022-07-12 14:43:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2794046869793787) internal successors, (34558), 28169 states have internal predecessors, (34558), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:43:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49908 transitions. [2022-07-12 14:43:46,945 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49908 transitions. Word has length 478 [2022-07-12 14:43:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:46,946 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49908 transitions. [2022-07-12 14:43:46,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49908 transitions. [2022-07-12 14:43:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-07-12 14:43:46,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:46,961 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:46,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 14:43:47,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-12 14:43:47,176 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:47,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:47,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1049999525, now seen corresponding path program 1 times [2022-07-12 14:43:47,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:47,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137264981] [2022-07-12 14:43:47,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:47,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:43:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:43:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:43:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:43:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:43:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:43:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:43:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:43:47,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:47,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137264981] [2022-07-12 14:43:47,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137264981] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:43:47,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311414892] [2022-07-12 14:43:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:47,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:43:47,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:43:47,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:43:47,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 14:43:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 3929 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:48,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:43:48,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:48,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311414892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:48,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:43:48,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:43:48,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867943222] [2022-07-12 14:43:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:48,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:48,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:48,885 INFO L87 Difference]: Start difference. First operand 36973 states and 49908 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:50,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:50,118 INFO L93 Difference]: Finished difference Result 73929 states and 100112 transitions. [2022-07-12 14:43:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:50,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 479 [2022-07-12 14:43:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:50,227 INFO L225 Difference]: With dead ends: 73929 [2022-07-12 14:43:50,227 INFO L226 Difference]: Without dead ends: 36973 [2022-07-12 14:43:50,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:50,306 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 2952 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:50,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 3176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:43:50,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36973 states. [2022-07-12 14:43:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36973 to 36973. [2022-07-12 14:43:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2778867868646107) internal successors, (34517), 28169 states have internal predecessors, (34517), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:43:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49867 transitions. [2022-07-12 14:43:51,699 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49867 transitions. Word has length 479 [2022-07-12 14:43:51,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:51,700 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49867 transitions. [2022-07-12 14:43:51,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49867 transitions. [2022-07-12 14:43:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-12 14:43:51,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:51,706 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:51,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 14:43:51,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-12 14:43:51,907 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:51,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:51,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1704475603, now seen corresponding path program 1 times [2022-07-12 14:43:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:51,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757286513] [2022-07-12 14:43:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:43:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:43:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:43:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:43:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:43:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:43:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:43:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:43:52,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757286513] [2022-07-12 14:43:52,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757286513] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:43:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675141372] [2022-07-12 14:43:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:52,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:43:52,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:43:52,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:43:52,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 14:43:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:53,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 3930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:53,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:43:53,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:53,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675141372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:53,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:43:53,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:43:53,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102733832] [2022-07-12 14:43:53,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:53,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:53,591 INFO L87 Difference]: Start difference. First operand 36973 states and 49867 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:54,774 INFO L93 Difference]: Finished difference Result 73929 states and 100030 transitions. [2022-07-12 14:43:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:54,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 480 [2022-07-12 14:43:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:54,892 INFO L225 Difference]: With dead ends: 73929 [2022-07-12 14:43:54,892 INFO L226 Difference]: Without dead ends: 36973 [2022-07-12 14:43:54,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:54,984 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 2950 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:54,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 3175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:43:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36973 states. [2022-07-12 14:43:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36973 to 36973. [2022-07-12 14:43:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2763688867498426) internal successors, (34476), 28169 states have internal predecessors, (34476), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:43:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49826 transitions. [2022-07-12 14:43:56,372 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49826 transitions. Word has length 480 [2022-07-12 14:43:56,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:56,373 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49826 transitions. [2022-07-12 14:43:56,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49826 transitions. [2022-07-12 14:43:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-12 14:43:56,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:56,379 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:43:56,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 14:43:56,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:43:56,584 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:56,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1079342047, now seen corresponding path program 1 times [2022-07-12 14:43:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:43:56,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047145498] [2022-07-12 14:43:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:56,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:43:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:43:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:43:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:43:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:43:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:43:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:43:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:43:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:43:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:43:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:43:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:43:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:43:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:43:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:43:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:43:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:43:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:43:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:43:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:43:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:43:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:43:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:43:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:43:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:43:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:43:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:43:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:43:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:43:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:43:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:43:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:43:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:43:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:43:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:43:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:43:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:43:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:43:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:43:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:43:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:43:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:43:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:43:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:43:56,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047145498] [2022-07-12 14:43:56,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047145498] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:43:56,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154586679] [2022-07-12 14:43:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:56,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:43:56,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:43:56,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:43:56,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 14:43:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:57,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 3931 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:57,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:43:58,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:58,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154586679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:58,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:43:58,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:43:58,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328526456] [2022-07-12 14:43:58,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:58,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:58,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:43:58,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:58,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:58,249 INFO L87 Difference]: Start difference. First operand 36973 states and 49826 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:43:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:59,650 INFO L93 Difference]: Finished difference Result 73929 states and 99948 transitions. [2022-07-12 14:43:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 481 [2022-07-12 14:43:59,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:59,772 INFO L225 Difference]: With dead ends: 73929 [2022-07-12 14:43:59,772 INFO L226 Difference]: Without dead ends: 36973 [2022-07-12 14:43:59,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:43:59,871 INFO L413 NwaCegarLoop]: 3174 mSDtfsCounter, 2948 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 3174 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:59,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 3174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:43:59,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36973 states. [2022-07-12 14:44:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36973 to 36973. [2022-07-12 14:44:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2748509866350746) internal successors, (34435), 28169 states have internal predecessors, (34435), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:44:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49785 transitions. [2022-07-12 14:44:01,528 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49785 transitions. Word has length 481 [2022-07-12 14:44:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:01,529 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49785 transitions. [2022-07-12 14:44:01,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:44:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49785 transitions. [2022-07-12 14:44:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-12 14:44:01,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:01,536 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:44:01,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:01,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:44:01,752 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:01,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1234445609, now seen corresponding path program 1 times [2022-07-12 14:44:01,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:44:01,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794489549] [2022-07-12 14:44:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:01,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:44:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:44:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:44:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:44:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:44:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:44:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:44:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:44:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:44:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:44:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:44:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:44:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:44:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:44:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:44:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:44:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:44:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:44:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:44:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:44:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:44:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:44:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:44:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:44:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:44:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:44:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:44:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:44:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:44:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:44:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:44:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:44:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:44:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:44:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:44:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:44:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:44:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:44:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:44:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:44:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:44:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:44:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:44:02,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:44:02,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794489549] [2022-07-12 14:44:02,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794489549] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:44:02,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848081552] [2022-07-12 14:44:02,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:02,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:44:02,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:44:02,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:44:02,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 14:44:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:03,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 3932 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:03,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:44:03,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:03,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848081552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:03,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:44:03,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:44:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587351550] [2022-07-12 14:44:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:03,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:44:03,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:03,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:44:03,539 INFO L87 Difference]: Start difference. First operand 36973 states and 49785 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:44:04,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:04,840 INFO L93 Difference]: Finished difference Result 73929 states and 99866 transitions. [2022-07-12 14:44:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:04,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 482 [2022-07-12 14:44:04,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:04,981 INFO L225 Difference]: With dead ends: 73929 [2022-07-12 14:44:04,981 INFO L226 Difference]: Without dead ends: 36973 [2022-07-12 14:44:05,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:44:05,205 INFO L413 NwaCegarLoop]: 3173 mSDtfsCounter, 2946 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 3173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:05,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 3173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:44:05,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36973 states. [2022-07-12 14:44:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36973 to 36973. [2022-07-12 14:44:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36973 states, 27011 states have (on average 1.2733330865203065) internal successors, (34394), 28169 states have internal predecessors, (34394), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2022-07-12 14:44:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36973 states to 36973 states and 49744 transitions. [2022-07-12 14:44:06,693 INFO L78 Accepts]: Start accepts. Automaton has 36973 states and 49744 transitions. Word has length 482 [2022-07-12 14:44:06,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:06,693 INFO L495 AbstractCegarLoop]: Abstraction has 36973 states and 49744 transitions. [2022-07-12 14:44:06,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-12 14:44:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36973 states and 49744 transitions. [2022-07-12 14:44:06,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2022-07-12 14:44:06,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:06,700 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 14:44:06,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-12 14:44:06,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:44:06,923 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:06,923 INFO L85 PathProgramCache]: Analyzing trace with hash 61935517, now seen corresponding path program 1 times [2022-07-12 14:44:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:44:06,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434131701] [2022-07-12 14:44:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:44:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:44:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:44:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:44:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:44:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:44:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:44:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:44:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:44:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 14:44:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 14:44:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:44:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:44:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:44:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 14:44:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:44:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:44:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:44:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:44:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 14:44:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 14:44:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:44:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:44:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 14:44:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:44:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:44:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:44:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:44:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:44:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 14:44:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 14:44:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:44:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:44:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:44:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 14:44:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:44:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:44:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:44:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:44:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:44:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:44:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:44:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 14:44:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 14:44:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-07-12 14:44:07,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:44:07,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434131701] [2022-07-12 14:44:07,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434131701] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:44:07,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274320594] [2022-07-12 14:44:07,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:07,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:44:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:44:07,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:44:07,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 14:44:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:08,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:08,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2022-07-12 14:44:08,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:08,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274320594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:08,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:44:08,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-07-12 14:44:08,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246502013] [2022-07-12 14:44:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:08,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:08,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:44:08,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:44:08,552 INFO L87 Difference]: Start difference. First operand 36973 states and 49744 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40)