./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.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 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:04:38,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:04:38,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:04:38,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:04:38,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:04:38,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:04:38,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:04:38,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:04:38,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:04:38,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:04:38,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:04:38,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:04:38,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:04:38,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:04:38,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:04:38,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:04:38,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:04:38,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:04:38,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:04:38,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:04:38,652 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:04:38,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:04:38,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:04:38,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:04:38,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:04:38,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:04:38,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:04:38,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:04:38,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:04:38,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:04:38,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:04:38,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:04:38,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:04:38,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:04:38,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:04:38,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:04:38,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:04:38,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:04:38,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:04:38,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:04:38,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:04:38,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:04:38,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:04:38,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:04:38,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:04:38,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:04:38,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:04:38,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:04:38,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:04:38,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:04:38,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:04:38,706 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:04:38,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:04:38,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:04:38,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:04:38,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:04:38,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:04:38,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:04:38,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:04:38,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:04:38,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:04:38,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:04:38,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:04:38,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:04:38,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:04:38,711 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:04:38,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:04:38,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:04:38,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36bb93ca3621bc77a2fce568a30c9f1e07b847a50c59f68bc973979594911c40 [2022-07-23 02:04:38,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:04:39,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:04:39,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:04:39,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:04:39,020 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:04:39,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2022-07-23 02:04:39,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58a109d7/8b637c5a55104164bcac873a87ca9542/FLAGcccd3290a [2022-07-23 02:04:39,896 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:04:39,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2022-07-23 02:04:39,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58a109d7/8b637c5a55104164bcac873a87ca9542/FLAGcccd3290a [2022-07-23 02:04:40,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58a109d7/8b637c5a55104164bcac873a87ca9542 [2022-07-23 02:04:40,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:04:40,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:04:40,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:04:40,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:04:40,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:04:40,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:04:40" (1/1) ... [2022-07-23 02:04:40,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9ddd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:40, skipping insertion in model container [2022-07-23 02:04:40,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:04:40" (1/1) ... [2022-07-23 02:04:40,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:04:40,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:04:43,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2022-07-23 02:04:43,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2022-07-23 02:04:43,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:04:43,496 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:04:43,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376704,376717] [2022-07-23 02:04:43,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i[376849,376862] [2022-07-23 02:04:43,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:04:44,072 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:04:44,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44 WrapperNode [2022-07-23 02:04:44,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:04:44,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:04:44,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:04:44,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:04:44,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,445 INFO L137 Inliner]: procedures = 490, calls = 2384, calls flagged for inlining = 232, calls inlined = 186, statements flattened = 4768 [2022-07-23 02:04:44,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:04:44,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:04:44,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:04:44,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:04:44,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:04:44,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:04:44,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:04:44,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:04:44,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (1/1) ... [2022-07-23 02:04:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:04:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:04:44,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:04:44,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:04:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:04:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:04:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:04:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:04:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:04:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:04:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:04:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:04:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_open [2022-07-23 02:04:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_open [2022-07-23 02:04:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:04:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:04:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:04:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:04:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-23 02:04:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-23 02:04:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:04:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:04:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:04:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:04:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:04:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:04:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:04:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:04:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_wptr [2022-07-23 02:04:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_wptr [2022-07-23 02:04:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:04:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:04:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:04:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:04:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:04:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:04:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:04:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:04:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:04:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:04:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:04:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:04:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:04:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:04:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:04:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:04:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:04:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:04:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:04:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:04:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:04:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:04:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 02:04:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 02:04:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:04:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:04:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:04:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:04:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:04:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_tx_db_ptr_next [2022-07-23 02:04:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_tx_db_ptr_next [2022-07-23 02:04:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:04:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:04:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:04:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:04:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:04:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:04:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:04:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_close [2022-07-23 02:04:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_close [2022-07-23 02:04:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:04:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:04:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:04:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:04:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2022-07-23 02:04:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_bdx_priv [2022-07-23 02:04:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:04:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:04:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 02:04:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 02:04:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:04:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:04:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:04:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:04:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:04:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_restore_mac [2022-07-23 02:04:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_restore_mac [2022-07-23 02:04:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:04:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rx_alloc_skbs [2022-07-23 02:04:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rx_alloc_skbs [2022-07-23 02:04:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:04:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:04:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:04:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:04:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:04:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:04:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:04:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 02:04:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 02:04:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:04:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:04:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:04:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:04:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:04:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:04:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:04:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:04:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:04:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:04:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:04:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:04:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_available [2022-07-23 02:04:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_available [2022-07-23 02:04:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-23 02:04:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-23 02:04:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:04:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:04:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:04:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:04:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_addr_elem [2022-07-23 02:04:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_addr_elem [2022-07-23 02:04:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:04:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:04:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:04:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:04:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:04:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:04:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:04:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:04:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_tx_db_inc_rptr [2022-07-23 02:04:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_tx_db_inc_rptr [2022-07-23 02:04:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:04:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:04:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:04:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:04:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure __bdx_vlan_rx_vid [2022-07-23 02:04:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __bdx_vlan_rx_vid [2022-07-23 02:04:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:04:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:04:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_free [2022-07-23 02:04:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_free [2022-07-23 02:04:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_remove [2022-07-23 02:04:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_remove [2022-07-23 02:04:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:04:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:04:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:04:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:04:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:04:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:04:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:04:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:04:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:04:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 02:04:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 02:04:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:04:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:04:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_reset [2022-07-23 02:04:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_reset [2022-07-23 02:04:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:04:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:04:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:04:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:04:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_rxdb_alloc_elem [2022-07-23 02:04:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_rxdb_alloc_elem [2022-07-23 02:04:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_range_check [2022-07-23 02:04:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_range_check [2022-07-23 02:04:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:04:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:04:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-23 02:04:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-23 02:04:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:04:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:04:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_fifo_init [2022-07-23 02:04:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_fifo_init [2022-07-23 02:04:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:04:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:04:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_link_changed [2022-07-23 02:04:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_link_changed [2022-07-23 02:04:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:04:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:04:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:04:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:04:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:04:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure bdx_setmulti [2022-07-23 02:04:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bdx_setmulti [2022-07-23 02:04:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure print_rxfd [2022-07-23 02:04:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure print_rxfd [2022-07-23 02:04:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:04:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:04:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:04:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:04:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:04:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:04:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:04:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:04:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:04:45,929 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:04:45,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:04:46,047 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:06:51,195 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:06:51,293 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:06:51,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:06:51,320 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:06:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:06:51 BoogieIcfgContainer [2022-07-23 02:06:51,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:06:51,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:06:51,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:06:51,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:06:51,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:04:40" (1/3) ... [2022-07-23 02:06:51,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ed9a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:06:51, skipping insertion in model container [2022-07-23 02:06:51,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:04:44" (2/3) ... [2022-07-23 02:06:51,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ed9a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:06:51, skipping insertion in model container [2022-07-23 02:06:51,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:06:51" (3/3) ... [2022-07-23 02:06:51,337 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-tehuti-tehuti.cil.i [2022-07-23 02:06:51,354 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:06:51,354 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:06:51,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:06:51,473 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4f9629a2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ce6d585 [2022-07-23 02:06:51,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:06:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 1678 states, 1167 states have (on average 1.2870608397600685) internal successors, (1502), 1190 states have internal predecessors, (1502), 420 states have call successors, (420), 91 states have call predecessors, (420), 90 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) [2022-07-23 02:06:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-23 02:06:51,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:06:51,520 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:06:51,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:06:51,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:06:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1898144487, now seen corresponding path program 1 times [2022-07-23 02:06:51,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:06:51,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349481110] [2022-07-23 02:06:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:06:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:06:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:06:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:06:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:06:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:06:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:06:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:06:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:06:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:06:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:06:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:06:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:06:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 02:06:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:06:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:06:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-23 02:06:53,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:06:53,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349481110] [2022-07-23 02:06:53,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349481110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:06:53,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:06:53,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:06:53,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577071985] [2022-07-23 02:06:53,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:06:53,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:06:53,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:06:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:06:53,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:06:53,241 INFO L87 Difference]: Start difference. First operand has 1678 states, 1167 states have (on average 1.2870608397600685) internal successors, (1502), 1190 states have internal predecessors, (1502), 420 states have call successors, (420), 91 states have call predecessors, (420), 90 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-23 02:06:55,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:06:57,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:11,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:07:13,217 INFO L93 Difference]: Finished difference Result 4781 states and 6809 transitions. [2022-07-23 02:07:13,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:07:13,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-07-23 02:07:13,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:07:13,265 INFO L225 Difference]: With dead ends: 4781 [2022-07-23 02:07:13,266 INFO L226 Difference]: Without dead ends: 3053 [2022-07-23 02:07:13,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:07:13,285 INFO L413 NwaCegarLoop]: 2543 mSDtfsCounter, 2591 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 1243 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 3368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1243 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:07:13,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 4446 Invalid, 3368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1243 Valid, 2122 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2022-07-23 02:07:13,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-07-23 02:07:13,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2888. [2022-07-23 02:07:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2045 states have (on average 1.247921760391198) internal successors, (2552), 2081 states have internal predecessors, (2552), 682 states have call successors, (682), 159 states have call predecessors, (682), 159 states have return successors, (682), 677 states have call predecessors, (682), 682 states have call successors, (682) [2022-07-23 02:07:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 3916 transitions. [2022-07-23 02:07:13,584 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 3916 transitions. Word has length 100 [2022-07-23 02:07:13,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:07:13,586 INFO L495 AbstractCegarLoop]: Abstraction has 2888 states and 3916 transitions. [2022-07-23 02:07:13,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-23 02:07:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3916 transitions. [2022-07-23 02:07:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 02:07:13,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:07:13,596 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:07:13,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:07:13,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:07:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:07:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash 385585268, now seen corresponding path program 1 times [2022-07-23 02:07:13,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:07:13,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076718945] [2022-07-23 02:07:13,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:07:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:07:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:07:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:07:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:07:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:07:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:07:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:07:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:07:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 02:07:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 02:07:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 02:07:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 02:07:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-23 02:07:14,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:07:14,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076718945] [2022-07-23 02:07:14,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076718945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:07:14,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:07:14,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:07:14,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655021678] [2022-07-23 02:07:14,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:07:14,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:07:14,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:07:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:07:14,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:07:14,544 INFO L87 Difference]: Start difference. First operand 2888 states and 3916 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:07:16,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:18,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:25,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:32,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:07:32,770 INFO L93 Difference]: Finished difference Result 8285 states and 11269 transitions. [2022-07-23 02:07:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:07:32,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2022-07-23 02:07:32,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:07:32,806 INFO L225 Difference]: With dead ends: 8285 [2022-07-23 02:07:32,807 INFO L226 Difference]: Without dead ends: 5412 [2022-07-23 02:07:32,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:07:32,822 INFO L413 NwaCegarLoop]: 2303 mSDtfsCounter, 3007 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1309 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 4114 SdHoareTripleChecker+Invalid, 3122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1309 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:07:32,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 4114 Invalid, 3122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1309 Valid, 1810 Invalid, 3 Unknown, 0 Unchecked, 17.7s Time] [2022-07-23 02:07:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2022-07-23 02:07:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 5162. [2022-07-23 02:07:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5162 states, 3653 states have (on average 1.2469203394470298) internal successors, (4555), 3722 states have internal predecessors, (4555), 1205 states have call successors, (1205), 300 states have call predecessors, (1205), 302 states have return successors, (1223), 1189 states have call predecessors, (1223), 1205 states have call successors, (1223) [2022-07-23 02:07:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5162 states to 5162 states and 6983 transitions. [2022-07-23 02:07:33,058 INFO L78 Accepts]: Start accepts. Automaton has 5162 states and 6983 transitions. Word has length 113 [2022-07-23 02:07:33,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:07:33,061 INFO L495 AbstractCegarLoop]: Abstraction has 5162 states and 6983 transitions. [2022-07-23 02:07:33,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:07:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 5162 states and 6983 transitions. [2022-07-23 02:07:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 02:07:33,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:07:33,076 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 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] [2022-07-23 02:07:33,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:07:33,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:07:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:07:33,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1485353998, now seen corresponding path program 1 times [2022-07-23 02:07:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:07:33,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946332414] [2022-07-23 02:07:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:07:33,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:07:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:07:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:07:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:07:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:07:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:07:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:07:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 02:07:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:07:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 02:07:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 02:07:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:07:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:07:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 02:07:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 02:07:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 02:07:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-07-23 02:07:34,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:07:34,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946332414] [2022-07-23 02:07:34,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946332414] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:07:34,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:07:34,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:07:34,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880794001] [2022-07-23 02:07:34,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:07:34,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:07:34,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:07:34,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:07:34,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:07:34,072 INFO L87 Difference]: Start difference. First operand 5162 states and 6983 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:07:36,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:38,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:51,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:52,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:07:52,807 INFO L93 Difference]: Finished difference Result 12780 states and 17341 transitions. [2022-07-23 02:07:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:07:52,816 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 163 [2022-07-23 02:07:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:07:52,870 INFO L225 Difference]: With dead ends: 12780 [2022-07-23 02:07:52,870 INFO L226 Difference]: Without dead ends: 7633 [2022-07-23 02:07:52,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:07:52,897 INFO L413 NwaCegarLoop]: 3603 mSDtfsCounter, 2043 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 910 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 910 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:07:52,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 5849 Invalid, 2962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [910 Valid, 2049 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-07-23 02:07:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7633 states. [2022-07-23 02:07:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7633 to 7287. [2022-07-23 02:07:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7287 states, 5165 states have (on average 1.245111326234269) internal successors, (6431), 5260 states have internal predecessors, (6431), 1687 states have call successors, (1687), 431 states have call predecessors, (1687), 433 states have return successors, (1706), 1665 states have call predecessors, (1706), 1687 states have call successors, (1706) [2022-07-23 02:07:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7287 states to 7287 states and 9824 transitions. [2022-07-23 02:07:53,190 INFO L78 Accepts]: Start accepts. Automaton has 7287 states and 9824 transitions. Word has length 163 [2022-07-23 02:07:53,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:07:53,191 INFO L495 AbstractCegarLoop]: Abstraction has 7287 states and 9824 transitions. [2022-07-23 02:07:53,192 INFO L496 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:07:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7287 states and 9824 transitions. [2022-07-23 02:07:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-23 02:07:53,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:07:53,202 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:07:53,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:07:53,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:07:53,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:07:53,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1281973958, now seen corresponding path program 1 times [2022-07-23 02:07:53,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:07:53,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25152334] [2022-07-23 02:07:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:07:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:07:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:07:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:07:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:07:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:07:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:07:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:07:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 02:07:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:07:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 02:07:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 02:07:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:07:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:07:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 02:07:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 02:07:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:07:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:07:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:07:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:07:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:07:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:07:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:07:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:07:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:07:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 02:07:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:07:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-07-23 02:07:54,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:07:54,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25152334] [2022-07-23 02:07:54,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25152334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:07:54,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:07:54,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:07:54,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289922547] [2022-07-23 02:07:54,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:07:54,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:07:54,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:07:54,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:07:54,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:07:54,223 INFO L87 Difference]: Start difference. First operand 7287 states and 9824 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:07:56,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:07:58,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:10,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:08:12,890 INFO L93 Difference]: Finished difference Result 17111 states and 23136 transitions. [2022-07-23 02:08:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:08:12,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 237 [2022-07-23 02:08:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:08:12,976 INFO L225 Difference]: With dead ends: 17111 [2022-07-23 02:08:12,976 INFO L226 Difference]: Without dead ends: 9839 [2022-07-23 02:08:13,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:08:13,018 INFO L413 NwaCegarLoop]: 3606 mSDtfsCounter, 2042 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 903 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 5865 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:08:13,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 5865 Invalid, 2944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [903 Valid, 2038 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2022-07-23 02:08:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9839 states. [2022-07-23 02:08:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9839 to 9396. [2022-07-23 02:08:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9396 states, 6667 states have (on average 1.2444877756112194) internal successors, (8297), 6788 states have internal predecessors, (8297), 2163 states have call successors, (2163), 562 states have call predecessors, (2163), 564 states have return successors, (2183), 2135 states have call predecessors, (2183), 2163 states have call successors, (2183) [2022-07-23 02:08:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9396 states to 9396 states and 12643 transitions. [2022-07-23 02:08:13,531 INFO L78 Accepts]: Start accepts. Automaton has 9396 states and 12643 transitions. Word has length 237 [2022-07-23 02:08:13,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:08:13,533 INFO L495 AbstractCegarLoop]: Abstraction has 9396 states and 12643 transitions. [2022-07-23 02:08:13,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:08:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 9396 states and 12643 transitions. [2022-07-23 02:08:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-23 02:08:13,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:08:13,544 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:08:13,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:08:13,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:08:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:08:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1033827464, now seen corresponding path program 1 times [2022-07-23 02:08:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:08:13,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952629112] [2022-07-23 02:08:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:08:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:08:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:08:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:08:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:08:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:08:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:08:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:08:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 02:08:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:08:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 02:08:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 02:08:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:08:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:08:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 02:08:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 02:08:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:08:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:08:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:08:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:08:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:08:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:08:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:08:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:08:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 02:08:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-07-23 02:08:14,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:08:14,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952629112] [2022-07-23 02:08:14,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952629112] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:08:14,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:08:14,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:08:14,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760468301] [2022-07-23 02:08:14,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:08:14,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:08:14,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:08:14,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:08:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:08:14,586 INFO L87 Difference]: Start difference. First operand 9396 states and 12643 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:08:16,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:18,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:31,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:08:32,342 INFO L93 Difference]: Finished difference Result 19214 states and 26016 transitions. [2022-07-23 02:08:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:08:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 237 [2022-07-23 02:08:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:08:32,479 INFO L225 Difference]: With dead ends: 19214 [2022-07-23 02:08:32,480 INFO L226 Difference]: Without dead ends: 9833 [2022-07-23 02:08:32,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:08:32,507 INFO L413 NwaCegarLoop]: 2062 mSDtfsCounter, 2432 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 937 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 3600 SdHoareTripleChecker+Invalid, 2859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:08:32,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 3600 Invalid, 2859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [937 Valid, 1919 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2022-07-23 02:08:32,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2022-07-23 02:08:32,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 9396. [2022-07-23 02:08:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9396 states, 6667 states have (on average 1.2432878356082195) internal successors, (8289), 6788 states have internal predecessors, (8289), 2163 states have call successors, (2163), 562 states have call predecessors, (2163), 564 states have return successors, (2183), 2135 states have call predecessors, (2183), 2163 states have call successors, (2183) [2022-07-23 02:08:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9396 states to 9396 states and 12635 transitions. [2022-07-23 02:08:32,870 INFO L78 Accepts]: Start accepts. Automaton has 9396 states and 12635 transitions. Word has length 237 [2022-07-23 02:08:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:08:32,871 INFO L495 AbstractCegarLoop]: Abstraction has 9396 states and 12635 transitions. [2022-07-23 02:08:32,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:08:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 9396 states and 12635 transitions. [2022-07-23 02:08:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-23 02:08:32,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:08:32,883 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:08:32,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:08:32,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:08:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:08:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash 75686713, now seen corresponding path program 1 times [2022-07-23 02:08:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:08:32,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751570862] [2022-07-23 02:08:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:08:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:08:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:08:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:08:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:08:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:08:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:08:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:08:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 02:08:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:08:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 02:08:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 02:08:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:08:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:08:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 02:08:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 02:08:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:08:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:08:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:08:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:08:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:08:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:08:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:08:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:08:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:08:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 02:08:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:08:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-07-23 02:08:34,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:08:34,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751570862] [2022-07-23 02:08:34,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751570862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:08:34,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:08:34,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:08:34,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463708971] [2022-07-23 02:08:34,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:08:34,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:08:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:08:34,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:08:34,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:08:34,170 INFO L87 Difference]: Start difference. First operand 9396 states and 12635 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:08:36,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:08:38,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []