./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:03:24,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:03:24,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:03:24,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:03:24,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:03:24,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:03:24,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:03:24,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:03:24,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:03:24,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:03:24,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:03:24,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:03:24,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:03:24,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:03:24,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:03:24,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:03:24,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:03:24,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:03:24,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:03:24,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:03:24,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:03:24,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:03:24,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:03:24,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:03:24,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:03:24,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:03:24,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:03:24,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:03:24,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:03:24,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:03:24,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:03:24,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:03:24,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:03:24,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:03:24,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:03:24,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:03:24,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:03:24,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:03:24,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:03:24,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:03:24,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:03:24,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:03:24,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:03:24,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:03:24,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:03:24,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:03:24,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:03:24,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:03:24,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:03:24,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:03:24,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:03:24,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:03:24,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:03:24,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:03:24,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:03:24,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:03:24,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:03:24,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:03:24,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:03:24,801 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:03:24,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:03:24,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:03:24,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:03:24,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-11-17 10:03:24,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:03:24,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:03:24,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:03:24,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:03:24,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:03:24,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-17 10:03:25,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787db0550/e93c94fa234f4a98865c9728caa9f144/FLAG7d447baa3 [2021-11-17 10:03:25,725 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:03:25,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-17 10:03:25,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787db0550/e93c94fa234f4a98865c9728caa9f144/FLAG7d447baa3 [2021-11-17 10:03:26,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787db0550/e93c94fa234f4a98865c9728caa9f144 [2021-11-17 10:03:26,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:03:26,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:03:26,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:03:26,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:03:26,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:03:26,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:03:26" (1/1) ... [2021-11-17 10:03:26,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8f4900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:26, skipping insertion in model container [2021-11-17 10:03:26,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:03:26" (1/1) ... [2021-11-17 10:03:26,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:03:26,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:03:28,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-17 10:03:28,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-17 10:03:28,552 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:03:28,588 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:03:28,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-17 10:03:28,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-17 10:03:28,882 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:03:29,084 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:03:29,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29 WrapperNode [2021-11-17 10:03:29,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:03:29,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:03:29,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:03:29,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:03:29,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,343 INFO L137 Inliner]: procedures = 567, calls = 4460, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9091 [2021-11-17 10:03:29,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:03:29,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:03:29,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:03:29,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:03:29,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:03:29,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:03:29,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:03:29,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:03:29,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (1/1) ... [2021-11-17 10:03:29,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:03:29,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:03:29,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 10:03:29,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 10:03:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 10:03:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 10:03:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:03:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:03:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 10:03:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 10:03:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-17 10:03:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-17 10:03:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-17 10:03:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-17 10:03:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 10:03:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 10:03:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-17 10:03:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-17 10:03:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:03:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:03:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 10:03:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 10:03:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-17 10:03:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-17 10:03:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-17 10:03:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-17 10:03:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-17 10:03:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-17 10:03:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-17 10:03:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-17 10:03:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:03:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:03:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-17 10:03:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-17 10:03:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-17 10:03:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-17 10:03:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-17 10:03:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-17 10:03:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 10:03:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 10:03:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 10:03:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 10:03:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 10:03:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 10:03:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-17 10:03:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-17 10:03:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-17 10:03:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-17 10:03:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-17 10:03:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-17 10:03:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:03:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:03:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:03:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:03:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 10:03:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 10:03:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 10:03:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 10:03:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 10:03:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 10:03:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-17 10:03:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-17 10:03:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:03:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:03:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:03:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:03:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-17 10:03:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-17 10:03:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 10:03:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 10:03:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 10:03:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 10:03:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:03:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-17 10:03:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-17 10:03:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 10:03:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 10:03:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:03:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:03:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-11-17 10:03:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-11-17 10:03:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 10:03:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 10:03:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-11-17 10:03:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-11-17 10:03:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:03:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-17 10:03:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-17 10:03:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 10:03:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 10:03:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-17 10:03:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-17 10:03:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:03:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:03:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 10:03:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 10:03:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 10:03:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 10:03:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:03:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-17 10:03:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-17 10:03:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:03:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:03:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:03:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-17 10:03:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-17 10:03:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-17 10:03:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-17 10:03:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:03:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:03:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:03:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:03:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:03:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:03:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:03:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:03:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:03:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:03:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 10:03:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 10:03:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-17 10:03:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-17 10:03:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-11-17 10:03:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-11-17 10:03:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-17 10:03:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-17 10:03:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 10:03:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 10:03:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-17 10:03:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-17 10:03:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:03:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:03:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-17 10:03:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-17 10:03:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:03:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:03:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:03:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-17 10:03:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-17 10:03:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:03:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:03:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:03:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:03:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 10:03:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 10:03:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 10:03:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 10:03:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:03:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:03:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:03:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 10:03:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 10:03:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:03:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-17 10:03:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-17 10:03:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:03:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:03:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 10:03:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 10:03:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:03:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:03:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:03:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:03:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 10:03:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 10:03:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-17 10:03:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-17 10:03:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 10:03:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 10:03:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-17 10:03:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-17 10:03:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-17 10:03:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-17 10:03:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 10:03:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 10:03:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-17 10:03:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-17 10:03:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-17 10:03:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-17 10:03:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 10:03:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 10:03:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-17 10:03:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-17 10:03:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 10:03:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 10:03:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 10:03:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 10:03:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-17 10:03:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-17 10:03:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:03:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:03:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-17 10:03:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-17 10:03:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-17 10:03:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-17 10:03:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-17 10:03:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-17 10:03:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-17 10:03:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-17 10:03:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-17 10:03:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-17 10:03:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-17 10:03:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-17 10:03:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-17 10:03:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-17 10:03:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 10:03:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 10:03:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:03:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:03:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-17 10:03:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-17 10:03:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:03:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:03:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:03:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:03:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:03:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:03:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-17 10:03:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-17 10:03:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 10:03:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 10:03:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 10:03:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 10:03:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 10:03:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 10:03:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 10:03:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 10:03:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-11-17 10:03:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-17 10:03:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:03:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:03:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:03:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-17 10:03:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-17 10:03:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-17 10:03:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-17 10:03:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:03:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:03:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:03:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 10:03:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 10:03:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:03:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:03:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:03:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:03:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 10:03:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 10:03:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 10:03:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 10:03:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-17 10:03:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-17 10:03:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-17 10:03:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-17 10:03:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 10:03:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 10:03:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 10:03:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 10:03:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-17 10:03:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-17 10:03:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-17 10:03:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-17 10:03:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:03:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:03:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:03:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:03:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 10:03:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 10:03:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-11-17 10:03:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-11-17 10:03:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 10:03:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 10:03:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-17 10:03:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-17 10:03:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:03:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-17 10:03:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-17 10:03:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 10:03:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 10:03:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 10:03:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 10:03:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:03:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:03:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-17 10:03:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-17 10:03:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-17 10:03:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-17 10:03:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:03:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:03:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-17 10:03:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-17 10:03:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 10:03:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 10:03:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-17 10:03:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-17 10:03:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-17 10:03:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-17 10:03:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:03:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:03:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 10:03:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 10:03:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 10:03:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 10:03:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 10:03:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 10:03:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-17 10:03:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-17 10:03:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 10:03:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 10:03:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-11-17 10:03:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-11-17 10:03:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-17 10:03:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-17 10:03:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:03:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:03:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:03:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-17 10:03:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-17 10:03:30,389 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:03:30,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:03:31,460 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:03:37,424 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:03:37,484 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:03:37,504 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:03:37,504 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 10:03:37,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:03:37 BoogieIcfgContainer [2021-11-17 10:03:37,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:03:37,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:03:37,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:03:37,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:03:37,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:03:26" (1/3) ... [2021-11-17 10:03:37,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3ccf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:03:37, skipping insertion in model container [2021-11-17 10:03:37,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:03:29" (2/3) ... [2021-11-17 10:03:37,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3ccf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:03:37, skipping insertion in model container [2021-11-17 10:03:37,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:03:37" (3/3) ... [2021-11-17 10:03:37,514 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-17 10:03:37,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:03:37,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 10:03:37,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:03:37,571 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 10:03:37,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 10:03:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2021-11-17 10:03:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-17 10:03:37,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:03:37,655 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:03:37,656 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:03:37,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:03:37,660 INFO L85 PathProgramCache]: Analyzing trace with hash 42962448, now seen corresponding path program 1 times [2021-11-17 10:03:37,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:03:37,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281162813] [2021-11-17 10:03:37,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:03:37,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:03:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:03:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:03:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:03:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:03:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:03:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:03:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:03:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:03:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:03:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:03:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:03:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:03:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:03:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:03:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:03:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:03:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:03:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:03:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 10:03:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 10:03:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 10:03:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 10:03:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-17 10:03:38,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:03:38,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281162813] [2021-11-17 10:03:38,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281162813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:03:38,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:03:38,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:03:38,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217423369] [2021-11-17 10:03:38,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:03:38,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:03:38,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:03:38,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:03:38,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:03:38,809 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-17 10:03:41,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:46,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:03:46,862 INFO L93 Difference]: Finished difference Result 9171 states and 13461 transitions. [2021-11-17 10:03:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:03:46,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 256 [2021-11-17 10:03:46,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:03:46,910 INFO L225 Difference]: With dead ends: 9171 [2021-11-17 10:03:46,910 INFO L226 Difference]: Without dead ends: 5974 [2021-11-17 10:03:46,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:03:46,938 INFO L933 BasicCegarLoop]: 4770 mSDtfsCounter, 4919 mSDsluCounter, 5562 mSDsCounter, 0 mSdLazyCounter, 2606 mSolverCounterSat, 2260 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 10332 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 2606 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:03:46,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 10332 Invalid, 4867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 2606 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-11-17 10:03:46,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2021-11-17 10:03:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5931. [2021-11-17 10:03:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5931 states, 4158 states have (on average 1.3369408369408369) internal successors, (5559), 4292 states have internal predecessors, (5559), 1479 states have call successors, (1479), 293 states have call predecessors, (1479), 293 states have return successors, (1479), 1448 states have call predecessors, (1479), 1479 states have call successors, (1479) [2021-11-17 10:03:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5931 states to 5931 states and 8517 transitions. [2021-11-17 10:03:47,264 INFO L78 Accepts]: Start accepts. Automaton has 5931 states and 8517 transitions. Word has length 256 [2021-11-17 10:03:47,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:03:47,270 INFO L470 AbstractCegarLoop]: Abstraction has 5931 states and 8517 transitions. [2021-11-17 10:03:47,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-17 10:03:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 8517 transitions. [2021-11-17 10:03:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-17 10:03:47,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:03:47,280 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:03:47,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:03:47,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:03:47,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:03:47,281 INFO L85 PathProgramCache]: Analyzing trace with hash -39351180, now seen corresponding path program 1 times [2021-11-17 10:03:47,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:03:47,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187256696] [2021-11-17 10:03:47,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:03:47,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:03:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:03:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:03:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:03:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:03:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:03:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:03:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:03:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:03:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:03:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:03:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:03:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:03:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:03:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:03:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:03:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:03:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:03:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:03:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 10:03:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 10:03:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 10:03:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:03:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-17 10:03:47,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:03:47,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187256696] [2021-11-17 10:03:47,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187256696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:03:47,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:03:47,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:03:47,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950426785] [2021-11-17 10:03:47,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:03:47,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:03:47,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:03:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:03:47,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:03:47,895 INFO L87 Difference]: Start difference. First operand 5931 states and 8517 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-17 10:03:49,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:52,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:03:57,060 INFO L93 Difference]: Finished difference Result 17383 states and 25061 transitions. [2021-11-17 10:03:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:03:57,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2021-11-17 10:03:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:03:57,127 INFO L225 Difference]: With dead ends: 17383 [2021-11-17 10:03:57,127 INFO L226 Difference]: Without dead ends: 11491 [2021-11-17 10:03:57,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:03:57,159 INFO L933 BasicCegarLoop]: 5542 mSDtfsCounter, 4500 mSDsluCounter, 5851 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 1910 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5164 SdHoareTripleChecker+Valid, 11393 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-17 10:03:57,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5164 Valid, 11393 Invalid, 4497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 2585 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-11-17 10:03:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2021-11-17 10:03:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11407. [2021-11-17 10:03:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11407 states, 7979 states have (on average 1.3368843213435269) internal successors, (10667), 8247 states have internal predecessors, (10667), 2850 states have call successors, (2850), 577 states have call predecessors, (2850), 577 states have return successors, (2850), 2787 states have call predecessors, (2850), 2850 states have call successors, (2850) [2021-11-17 10:03:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11407 states to 11407 states and 16367 transitions. [2021-11-17 10:03:57,593 INFO L78 Accepts]: Start accepts. Automaton has 11407 states and 16367 transitions. Word has length 257 [2021-11-17 10:03:57,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:03:57,595 INFO L470 AbstractCegarLoop]: Abstraction has 11407 states and 16367 transitions. [2021-11-17 10:03:57,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-17 10:03:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 11407 states and 16367 transitions. [2021-11-17 10:03:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-17 10:03:57,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:03:57,603 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-11-17 10:03:57,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:03:57,604 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:03:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:03:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash -606614164, now seen corresponding path program 1 times [2021-11-17 10:03:57,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:03:57,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875091949] [2021-11-17 10:03:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:03:57,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:03:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:03:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:03:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:03:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:03:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:03:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:03:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:03:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:03:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:03:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:03:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:03:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:03:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:03:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:03:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:03:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:03:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:03:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:03:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 10:03:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:03:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 10:03:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:03:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 10:03:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 10:03:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:03:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 10:03:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 10:03:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:03:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-11-17 10:03:58,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:03:58,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875091949] [2021-11-17 10:03:58,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875091949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:03:58,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:03:58,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:03:58,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840727124] [2021-11-17 10:03:58,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:03:58,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:03:58,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:03:58,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:03:58,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:03:58,091 INFO L87 Difference]: Start difference. First operand 11407 states and 16367 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 10:04:00,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:02,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:04,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:04:13,792 INFO L93 Difference]: Finished difference Result 33867 states and 48869 transitions. [2021-11-17 10:04:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:04:13,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 268 [2021-11-17 10:04:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:04:13,899 INFO L225 Difference]: With dead ends: 33867 [2021-11-17 10:04:13,900 INFO L226 Difference]: Without dead ends: 22499 [2021-11-17 10:04:13,944 INFO L932 BasicCegarLoop]: 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 [2021-11-17 10:04:13,948 INFO L933 BasicCegarLoop]: 4219 mSDtfsCounter, 7979 mSDsluCounter, 4446 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 5113 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8464 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 10883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5113 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:04:13,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8464 Valid, 8665 Invalid, 10883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5113 Valid, 5767 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2021-11-17 10:04:13,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22499 states. [2021-11-17 10:04:14,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22499 to 22333. [2021-11-17 10:04:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22333 states, 15609 states have (on average 1.3354474982381959) internal successors, (20845), 16157 states have internal predecessors, (20845), 5571 states have call successors, (5571), 1146 states have call predecessors, (5571), 1152 states have return successors, (5754), 5419 states have call predecessors, (5754), 5571 states have call successors, (5754) [2021-11-17 10:04:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22333 states to 22333 states and 32170 transitions. [2021-11-17 10:04:14,725 INFO L78 Accepts]: Start accepts. Automaton has 22333 states and 32170 transitions. Word has length 268 [2021-11-17 10:04:14,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:04:14,726 INFO L470 AbstractCegarLoop]: Abstraction has 22333 states and 32170 transitions. [2021-11-17 10:04:14,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-17 10:04:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 22333 states and 32170 transitions. [2021-11-17 10:04:14,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-17 10:04:14,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:04:14,736 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:04:14,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:04:14,737 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:04:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:04:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -841935553, now seen corresponding path program 1 times [2021-11-17 10:04:14,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:04:14,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802541407] [2021-11-17 10:04:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:04:14,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:04:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:04:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:04:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:04:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:04:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:04:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:04:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:04:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:04:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:04:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:04:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:04:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:04:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:04:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:04:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:04:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:04:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:04:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:04:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 10:04:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:04:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:04:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:04:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:04:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 10:04:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 10:04:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-11-17 10:04:15,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:04:15,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802541407] [2021-11-17 10:04:15,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802541407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:04:15,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:04:15,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:04:15,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481962859] [2021-11-17 10:04:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:04:15,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:04:15,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:04:15,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:04:15,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:04:15,354 INFO L87 Difference]: Start difference. First operand 22333 states and 32170 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 10:04:17,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:19,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:23,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:04:23,890 INFO L93 Difference]: Finished difference Result 66446 states and 95966 transitions. [2021-11-17 10:04:23,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:04:23,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2021-11-17 10:04:23,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:04:24,106 INFO L225 Difference]: With dead ends: 66446 [2021-11-17 10:04:24,107 INFO L226 Difference]: Without dead ends: 44152 [2021-11-17 10:04:24,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:04:24,203 INFO L933 BasicCegarLoop]: 5713 mSDtfsCounter, 4580 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 1897 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5263 SdHoareTripleChecker+Valid, 11682 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-17 10:04:24,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5263 Valid, 11682 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1897 Valid, 2516 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-17 10:04:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44152 states. [2021-11-17 10:04:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44152 to 43846. [2021-11-17 10:04:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 30654 states have (on average 1.3342467540940823) internal successors, (40900), 31755 states have internal predecessors, (40900), 10915 states have call successors, (10915), 2264 states have call predecessors, (10915), 2276 states have return successors, (11271), 10605 states have call predecessors, (11271), 10915 states have call successors, (11271) [2021-11-17 10:04:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 63086 transitions. [2021-11-17 10:04:26,006 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 63086 transitions. Word has length 284 [2021-11-17 10:04:26,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:04:26,007 INFO L470 AbstractCegarLoop]: Abstraction has 43846 states and 63086 transitions. [2021-11-17 10:04:26,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 10:04:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 63086 transitions. [2021-11-17 10:04:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-17 10:04:26,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:04:26,023 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:04:26,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 10:04:26,023 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:04:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:04:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -787119362, now seen corresponding path program 1 times [2021-11-17 10:04:26,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:04:26,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883824936] [2021-11-17 10:04:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:04:26,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:04:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:04:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:04:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:04:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:04:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:04:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:04:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:04:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:04:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:04:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:04:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:04:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:04:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:04:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:04:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:04:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:04:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:04:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:04:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 10:04:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:04:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 10:04:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:04:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:04:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 10:04:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 10:04:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 10:04:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:04:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-17 10:04:26,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:04:26,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883824936] [2021-11-17 10:04:26,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883824936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:04:26,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:04:26,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:04:26,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559891008] [2021-11-17 10:04:26,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:04:26,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:04:26,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:04:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:04:26,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:04:26,519 INFO L87 Difference]: Start difference. First operand 43846 states and 63086 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 10:04:29,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:04:34,021 INFO L93 Difference]: Finished difference Result 103875 states and 148769 transitions. [2021-11-17 10:04:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:04:34,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 304 [2021-11-17 10:04:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:04:34,439 INFO L225 Difference]: With dead ends: 103875 [2021-11-17 10:04:34,439 INFO L226 Difference]: Without dead ends: 60068 [2021-11-17 10:04:34,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:04:34,581 INFO L933 BasicCegarLoop]: 5027 mSDtfsCounter, 4050 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 1805 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4647 SdHoareTripleChecker+Valid, 10694 SdHoareTripleChecker+Invalid, 4156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:04:34,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4647 Valid, 10694 Invalid, 4156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 2350 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-11-17 10:04:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60068 states. [2021-11-17 10:04:36,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60068 to 59714. [2021-11-17 10:04:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59714 states, 41510 states have (on average 1.3287159720549264) internal successors, (55155), 42932 states have internal predecessors, (55155), 14723 states have call successors, (14723), 3468 states have call predecessors, (14723), 3480 states have return successors, (15099), 14336 states have call predecessors, (15099), 14723 states have call successors, (15099) [2021-11-17 10:04:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59714 states to 59714 states and 84977 transitions. [2021-11-17 10:04:36,826 INFO L78 Accepts]: Start accepts. Automaton has 59714 states and 84977 transitions. Word has length 304 [2021-11-17 10:04:36,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:04:36,827 INFO L470 AbstractCegarLoop]: Abstraction has 59714 states and 84977 transitions. [2021-11-17 10:04:36,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 10:04:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 59714 states and 84977 transitions. [2021-11-17 10:04:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-17 10:04:36,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:04:36,843 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:04:36,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 10:04:36,843 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:04:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:04:36,844 INFO L85 PathProgramCache]: Analyzing trace with hash -459163670, now seen corresponding path program 1 times [2021-11-17 10:04:36,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:04:36,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523271059] [2021-11-17 10:04:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:04:36,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:04:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:04:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:04:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:04:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:04:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:04:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:04:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:04:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:04:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:04:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:04:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:04:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:04:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:04:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:04:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:04:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:04:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:04:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:04:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 10:04:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 10:04:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 10:04:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 10:04:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 10:04:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 10:04:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:04:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 10:04:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 10:04:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:04:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 10:04:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 10:04:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 10:04:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 10:04:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:04:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-11-17 10:04:37,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:04:37,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523271059] [2021-11-17 10:04:37,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523271059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:04:37,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:04:37,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:04:37,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564809343] [2021-11-17 10:04:37,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:04:37,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:04:37,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:04:37,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:04:37,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:04:37,502 INFO L87 Difference]: Start difference. First operand 59714 states and 84977 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-17 10:04:39,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:41,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:43,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:45,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:04:55,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:04:55,251 INFO L93 Difference]: Finished difference Result 165296 states and 235226 transitions. [2021-11-17 10:04:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:04:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 328 [2021-11-17 10:04:55,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:04:55,769 INFO L225 Difference]: With dead ends: 165296 [2021-11-17 10:04:55,769 INFO L226 Difference]: Without dead ends: 105621 [2021-11-17 10:04:56,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:04:56,084 INFO L933 BasicCegarLoop]: 4135 mSDtfsCounter, 7627 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 5749 mSolverCounterSat, 4982 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8120 SdHoareTripleChecker+Valid, 8479 SdHoareTripleChecker+Invalid, 10734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4982 IncrementalHoareTripleChecker+Valid, 5749 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-17 10:04:56,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8120 Valid, 8479 Invalid, 10734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4982 Valid, 5749 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2021-11-17 10:04:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105621 states. [2021-11-17 10:04:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105621 to 104905. [2021-11-17 10:04:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104905 states, 72744 states have (on average 1.3273809523809523) internal successors, (96559), 75153 states have internal predecessors, (96559), 25736 states have call successors, (25736), 6414 states have call predecessors, (25736), 6424 states have return successors, (26444), 25032 states have call predecessors, (26444), 25736 states have call successors, (26444) [2021-11-17 10:04:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104905 states to 104905 states and 148739 transitions. [2021-11-17 10:04:59,659 INFO L78 Accepts]: Start accepts. Automaton has 104905 states and 148739 transitions. Word has length 328 [2021-11-17 10:04:59,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:04:59,659 INFO L470 AbstractCegarLoop]: Abstraction has 104905 states and 148739 transitions. [2021-11-17 10:04:59,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-17 10:04:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 104905 states and 148739 transitions. [2021-11-17 10:04:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-17 10:04:59,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:04:59,670 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:04:59,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 10:04:59,670 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:04:59,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:04:59,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1069458635, now seen corresponding path program 1 times [2021-11-17 10:04:59,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:04:59,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095154088] [2021-11-17 10:04:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:04:59,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:04:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:05:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:05:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 10:05:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 10:05:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 10:05:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 10:05:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:05:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:05:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 10:05:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 10:05:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 10:05:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 10:05:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 10:05:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2021-11-17 10:05:00,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:00,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095154088] [2021-11-17 10:05:00,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095154088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:00,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:00,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:00,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096949317] [2021-11-17 10:05:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:00,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:00,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:00,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:00,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:00,334 INFO L87 Difference]: Start difference. First operand 104905 states and 148739 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 10:05:02,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:11,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:11,137 INFO L93 Difference]: Finished difference Result 256550 states and 364204 transitions. [2021-11-17 10:05:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:11,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2021-11-17 10:05:11,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:11,953 INFO L225 Difference]: With dead ends: 256550 [2021-11-17 10:05:11,953 INFO L226 Difference]: Without dead ends: 151803 [2021-11-17 10:05:12,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:12,445 INFO L933 BasicCegarLoop]: 8044 mSDtfsCounter, 4048 mSDsluCounter, 7362 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1413 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4719 SdHoareTripleChecker+Valid, 15406 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:12,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4719 Valid, 15406 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1413 Valid, 2560 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 10:05:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151803 states. [2021-11-17 10:05:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151803 to 150813. [2021-11-17 10:05:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150813 states, 104455 states have (on average 1.324742712172706) internal successors, (138376), 107905 states have internal predecessors, (138376), 36995 states have call successors, (36995), 9350 states have call predecessors, (36995), 9362 states have return successors, (37979), 35979 states have call predecessors, (37979), 36995 states have call successors, (37979) [2021-11-17 10:05:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150813 states to 150813 states and 213350 transitions. [2021-11-17 10:05:17,928 INFO L78 Accepts]: Start accepts. Automaton has 150813 states and 213350 transitions. Word has length 327 [2021-11-17 10:05:17,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:05:17,929 INFO L470 AbstractCegarLoop]: Abstraction has 150813 states and 213350 transitions. [2021-11-17 10:05:17,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-17 10:05:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 150813 states and 213350 transitions. [2021-11-17 10:05:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-17 10:05:17,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:05:17,950 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 6, 6, 6, 4, 4, 4, 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] [2021-11-17 10:05:17,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 10:05:17,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:05:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:05:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash 178455778, now seen corresponding path program 1 times [2021-11-17 10:05:17,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:05:17,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526697271] [2021-11-17 10:05:17,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:05:17,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:05:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:05:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:05:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:05:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:05:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:05:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:05:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:05:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:05:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:05:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:05:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:05:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:05:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:05:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:05:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:05:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:05:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 10:05:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 10:05:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 10:05:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 10:05:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 10:05:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:05:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 10:05:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 10:05:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 10:05:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 10:05:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 10:05:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:05:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 10:05:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 10:05:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 10:05:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 10:05:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:05:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2021-11-17 10:05:18,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:05:18,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526697271] [2021-11-17 10:05:18,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526697271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:05:18,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:05:18,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:05:18,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581226299] [2021-11-17 10:05:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:05:18,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:05:18,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:05:18,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:05:18,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:05:18,310 INFO L87 Difference]: Start difference. First operand 150813 states and 213350 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 10:05:20,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:22,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:05:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:05:33,004 INFO L93 Difference]: Finished difference Result 402299 states and 571653 transitions. [2021-11-17 10:05:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:05:33,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2021-11-17 10:05:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:05:34,323 INFO L225 Difference]: With dead ends: 402299 [2021-11-17 10:05:34,324 INFO L226 Difference]: Without dead ends: 251644 [2021-11-17 10:05:35,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:05:35,094 INFO L933 BasicCegarLoop]: 7594 mSDtfsCounter, 4267 mSDsluCounter, 7122 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 1508 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4955 SdHoareTripleChecker+Valid, 14716 SdHoareTripleChecker+Invalid, 4026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:05:35,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4955 Valid, 14716 Invalid, 4026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 2516 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2021-11-17 10:05:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251644 states.