./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:52:13,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:52:13,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:52:13,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:52:13,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:52:13,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:52:13,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:52:13,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:52:13,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:52:13,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:52:13,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:52:13,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:52:13,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:52:13,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:52:13,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:52:13,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:52:13,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:52:13,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:52:13,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:52:13,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:52:13,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:52:13,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:52:13,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:52:13,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:52:14,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:52:14,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:52:14,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:52:14,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:52:14,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:52:14,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:52:14,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:52:14,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:52:14,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:52:14,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:52:14,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:52:14,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:52:14,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:52:14,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:52:14,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:52:14,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:52:14,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:52:14,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:52:14,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:52:14,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:52:14,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:52:14,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:52:14,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:52:14,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:52:14,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:52:14,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:52:14,040 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:52:14,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:52:14,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:52:14,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:52:14,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:52:14,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:52:14,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:52:14,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:52:14,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:52:14,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:52:14,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:52:14,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:52:14,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:52:14,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:52:14,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:52:14,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:52:14,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:52:14,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:52:14,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-12-14 18:52:14,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:52:14,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:52:14,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:52:14,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:52:14,261 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:52:14,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-14 18:52:14,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd29b16b/fb05708201164acf96bc2b588f63b9df/FLAG135a9836c [2021-12-14 18:52:14,940 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:52:14,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-14 18:52:14,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd29b16b/fb05708201164acf96bc2b588f63b9df/FLAG135a9836c [2021-12-14 18:52:15,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd29b16b/fb05708201164acf96bc2b588f63b9df [2021-12-14 18:52:15,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:52:15,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:52:15,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:52:15,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:52:15,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:52:15,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a17b931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15, skipping insertion in model container [2021-12-14 18:52:15,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:52:15,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:52:17,886 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-14 18:52:17,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-14 18:52:17,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:52:17,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:52:18,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-12-14 18:52:18,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-12-14 18:52:18,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:52:18,509 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:52:18,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18 WrapperNode [2021-12-14 18:52:18,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:52:18,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:52:18,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:52:18,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:52:18,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:18,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:18,833 INFO L137 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8509 [2021-12-14 18:52:18,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:52:18,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:52:18,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:52:18,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:52:18,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:18,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:18,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:18,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:19,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:19,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:19,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:19,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:52:19,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:52:19,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:52:19,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:52:19,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (1/1) ... [2021-12-14 18:52:19,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:52:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:52:19,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:52:19,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:52:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-14 18:52:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-14 18:52:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:52:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:52:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-14 18:52:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-14 18:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:52:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-14 18:52:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-14 18:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-14 18:52:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-14 18:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-14 18:52:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-14 18:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-14 18:52:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-14 18:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-14 18:52:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-14 18:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:52:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-14 18:52:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-14 18:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-14 18:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-14 18:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-14 18:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-14 18:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-14 18:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-14 18:52:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:52:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:52:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-14 18:52:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-14 18:52:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-14 18:52:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-14 18:52:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:52:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:52:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:52:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:52:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:52:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:52:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:52:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:52:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-14 18:52:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-14 18:52:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-14 18:52:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-14 18:52:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:52:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:52:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-14 18:52:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-14 18:52:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:52:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:52:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:52:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:52:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:52:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-14 18:52:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-14 18:52:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:52:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:52:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 18:52:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 18:52:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-14 18:52:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-14 18:52:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-14 18:52:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:52:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 18:52:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:52:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-14 18:52:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-14 18:52:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-14 18:52:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-14 18:52:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-14 18:52:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-14 18:52:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-14 18:52:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:52:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:52:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:52:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:52:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-14 18:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-14 18:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:52:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:52:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:52:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-14 18:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-14 18:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:52:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:52:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-14 18:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-14 18:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:52:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-14 18:52:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-14 18:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 18:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 18:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-14 18:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-14 18:52:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:52:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:52:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-14 18:52:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-14 18:52:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-14 18:52:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-14 18:52:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:52:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:52:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:52:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:52:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 18:52:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 18:52:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 18:52:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 18:52:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 18:52:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 18:52:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:52:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:52:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:52:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:52:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:52:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-14 18:52:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-14 18:52:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-14 18:52:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-14 18:52:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:52:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:52:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-14 18:52:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-14 18:52:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:52:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:52:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:52:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-14 18:52:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-14 18:52:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-14 18:52:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-14 18:52:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:52:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-14 18:52:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-14 18:52:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:52:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:52:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 18:52:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 18:52:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-14 18:52:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-14 18:52:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:52:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:52:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:52:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:52:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:52:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:52:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:52:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:52:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:52:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:52:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:52:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:52:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-14 18:52:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-14 18:52:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:52:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:52:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 18:52:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 18:52:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-14 18:52:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-14 18:52:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:52:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:52:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:52:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:52:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-14 18:52:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-14 18:52:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:52:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:52:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-14 18:52:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-14 18:52:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:52:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:52:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-14 18:52:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-14 18:52:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:52:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:52:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:52:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-14 18:52:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-14 18:52:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-14 18:52:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-14 18:52:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:52:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:52:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-14 18:52:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-14 18:52:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-14 18:52:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-14 18:52:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-14 18:52:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-14 18:52:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:52:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:52:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-14 18:52:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-14 18:52:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:52:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:52:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 18:52:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 18:52:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-14 18:52:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-14 18:52:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-14 18:52:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-14 18:52:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-14 18:52:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-14 18:52:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-14 18:52:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-14 18:52:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-14 18:52:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-14 18:52:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:52:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:52:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:52:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:52:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:52:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:52:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:52:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:52:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 18:52:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 18:52:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-14 18:52:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-14 18:52:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-14 18:52:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-14 18:52:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:52:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:52:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:52:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:52:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:52:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:52:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:52:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:52:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-14 18:52:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-14 18:52:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:52:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:52:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:52:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-14 18:52:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-14 18:52:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-14 18:52:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-14 18:52:19,983 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:52:19,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:52:20,090 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:52:26,469 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:52:26,598 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:52:26,620 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:52:26,620 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-14 18:52:26,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:52:26 BoogieIcfgContainer [2021-12-14 18:52:26,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:52:26,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:52:26,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:52:26,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:52:26,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:52:15" (1/3) ... [2021-12-14 18:52:26,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780a20c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:52:26, skipping insertion in model container [2021-12-14 18:52:26,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:18" (2/3) ... [2021-12-14 18:52:26,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780a20c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:52:26, skipping insertion in model container [2021-12-14 18:52:26,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:52:26" (3/3) ... [2021-12-14 18:52:26,643 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-14 18:52:26,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:52:26,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:52:26,698 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:52:26,711 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:52:26,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:52:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2021-12-14 18:52:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-14 18:52:26,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:26,803 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:26,804 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:26,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:26,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1855749033, now seen corresponding path program 1 times [2021-12-14 18:52:26,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:26,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149216081] [2021-12-14 18:52:26,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:26,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:52:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:52:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:52:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-14 18:52:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-14 18:52:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:52:27,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:27,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149216081] [2021-12-14 18:52:27,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149216081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:27,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:27,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:52:27,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054267087] [2021-12-14 18:52:27,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:27,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:52:27,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:52:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:52:27,747 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 18:52:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:33,793 INFO L93 Difference]: Finished difference Result 8909 states and 12718 transitions. [2021-12-14 18:52:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:52:33,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2021-12-14 18:52:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:33,836 INFO L225 Difference]: With dead ends: 8909 [2021-12-14 18:52:33,836 INFO L226 Difference]: Without dead ends: 5743 [2021-12-14 18:52:33,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:52:33,854 INFO L933 BasicCegarLoop]: 4268 mSDtfsCounter, 4830 mSDsluCounter, 4389 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 2769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 5857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:33,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5489 Valid, 8657 Invalid, 5857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-14 18:52:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-12-14 18:52:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 5558. [2021-12-14 18:52:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2021-12-14 18:52:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2021-12-14 18:52:34,137 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2021-12-14 18:52:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:34,141 INFO L470 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2021-12-14 18:52:34,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 18:52:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2021-12-14 18:52:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-14 18:52:34,150 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:34,150 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:34,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:52:34,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash 865692571, now seen corresponding path program 1 times [2021-12-14 18:52:34,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:34,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069181643] [2021-12-14 18:52:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:34,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:52:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:52:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:52:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-14 18:52:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 18:52:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:52:34,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:34,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069181643] [2021-12-14 18:52:34,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069181643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:34,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:34,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:52:34,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372251420] [2021-12-14 18:52:34,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:34,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:52:34,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:34,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:52:34,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:52:34,658 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 18:52:40,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:40,669 INFO L93 Difference]: Finished difference Result 16333 states and 22742 transitions. [2021-12-14 18:52:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:52:40,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2021-12-14 18:52:40,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:40,717 INFO L225 Difference]: With dead ends: 16333 [2021-12-14 18:52:40,717 INFO L226 Difference]: Without dead ends: 10812 [2021-12-14 18:52:40,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:52:40,739 INFO L933 BasicCegarLoop]: 5394 mSDtfsCounter, 4546 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 3212 mSolverCounterSat, 2433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5257 SdHoareTripleChecker+Valid, 9961 SdHoareTripleChecker+Invalid, 5645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2433 IncrementalHoareTripleChecker+Valid, 3212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:40,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5257 Valid, 9961 Invalid, 5645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2433 Valid, 3212 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-14 18:52:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10812 states. [2021-12-14 18:52:41,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10812 to 10447. [2021-12-14 18:52:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10447 states, 6985 states have (on average 1.2506800286327846) internal successors, (8736), 7118 states have internal predecessors, (8736), 2845 states have call successors, (2845), 616 states have call predecessors, (2845), 616 states have return successors, (2845), 2804 states have call predecessors, (2845), 2845 states have call successors, (2845) [2021-12-14 18:52:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2021-12-14 18:52:41,215 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2021-12-14 18:52:41,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:41,217 INFO L470 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2021-12-14 18:52:41,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 18:52:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2021-12-14 18:52:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-14 18:52:41,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:41,226 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:41,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:52:41,227 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:41,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:41,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1185039122, now seen corresponding path program 1 times [2021-12-14 18:52:41,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:41,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080610540] [2021-12-14 18:52:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:52:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:52:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:52:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-14 18:52:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:52:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:52:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-14 18:52:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-14 18:52:41,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080610540] [2021-12-14 18:52:41,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080610540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:41,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:41,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:52:41,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042450368] [2021-12-14 18:52:41,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:41,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:52:41,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:52:41,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:52:41,722 INFO L87 Difference]: Start difference. First operand 10447 states and 14426 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 18:52:47,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:47,435 INFO L93 Difference]: Finished difference Result 31289 states and 43404 transitions. [2021-12-14 18:52:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:52:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2021-12-14 18:52:47,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:47,543 INFO L225 Difference]: With dead ends: 31289 [2021-12-14 18:52:47,544 INFO L226 Difference]: Without dead ends: 20879 [2021-12-14 18:52:47,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:52:47,592 INFO L933 BasicCegarLoop]: 5664 mSDtfsCounter, 4678 mSDsluCounter, 4796 mSDsCounter, 0 mSdLazyCounter, 3145 mSolverCounterSat, 2388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 10460 SdHoareTripleChecker+Invalid, 5533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2388 IncrementalHoareTripleChecker+Valid, 3145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:47,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5409 Valid, 10460 Invalid, 5533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2388 Valid, 3145 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-14 18:52:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20879 states. [2021-12-14 18:52:48,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20879 to 20199. [2021-12-14 18:52:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 13526 states have (on average 1.2501848292178028) internal successors, (16910), 13794 states have internal predecessors, (16910), 5478 states have call successors, (5478), 1194 states have call predecessors, (5478), 1194 states have return successors, (5478), 5393 states have call predecessors, (5478), 5478 states have call successors, (5478) [2021-12-14 18:52:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2021-12-14 18:52:48,338 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2021-12-14 18:52:48,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:48,338 INFO L470 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2021-12-14 18:52:48,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-14 18:52:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2021-12-14 18:52:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-14 18:52:48,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:48,427 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:48,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:52:48,427 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:48,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:48,427 INFO L85 PathProgramCache]: Analyzing trace with hash -128440568, now seen corresponding path program 1 times [2021-12-14 18:52:48,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:48,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145454891] [2021-12-14 18:52:48,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:48,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:52:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:52:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:52:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 18:52:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:52:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-14 18:52:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:52:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:52:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 18:52:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-14 18:52:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-12-14 18:52:48,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:48,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145454891] [2021-12-14 18:52:48,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145454891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:48,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:48,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:52:48,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673713237] [2021-12-14 18:52:48,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:48,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:52:48,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:52:48,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:52:48,901 INFO L87 Difference]: Start difference. First operand 20199 states and 27866 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:52:53,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:53,633 INFO L93 Difference]: Finished difference Result 42745 states and 59095 transitions. [2021-12-14 18:52:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:52:53,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-12-14 18:52:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:53,727 INFO L225 Difference]: With dead ends: 42745 [2021-12-14 18:52:53,728 INFO L226 Difference]: Without dead ends: 22583 [2021-12-14 18:52:53,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:52:53,792 INFO L933 BasicCegarLoop]: 4448 mSDtfsCounter, 3166 mSDsluCounter, 4379 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 8827 SdHoareTripleChecker+Invalid, 4613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:53,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 8827 Invalid, 4613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-14 18:52:53,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22583 states. [2021-12-14 18:52:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22583 to 21873. [2021-12-14 18:52:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 14668 states have (on average 1.2488410144532316) internal successors, (18318), 14955 states have internal predecessors, (18318), 5892 states have call successors, (5892), 1312 states have call predecessors, (5892), 1312 states have return successors, (5892), 5804 states have call predecessors, (5892), 5892 states have call successors, (5892) [2021-12-14 18:52:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2021-12-14 18:52:54,536 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2021-12-14 18:52:54,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:54,537 INFO L470 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2021-12-14 18:52:54,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:52:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2021-12-14 18:52:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-14 18:52:54,548 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:54,548 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:52:54,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:52:54,549 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:54,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:54,549 INFO L85 PathProgramCache]: Analyzing trace with hash -597361833, now seen corresponding path program 1 times [2021-12-14 18:52:54,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:54,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141485043] [2021-12-14 18:52:54,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:54,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:52:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:52:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:52:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:52:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:52:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-14 18:52:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:52:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:52:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-14 18:52:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:52:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-14 18:52:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-14 18:52:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-14 18:52:55,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:55,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141485043] [2021-12-14 18:52:55,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141485043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:55,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:55,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:52:55,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443798751] [2021-12-14 18:52:55,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:55,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:52:55,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:55,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:52:55,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:52:55,033 INFO L87 Difference]: Start difference. First operand 21873 states and 30102 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-14 18:53:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:53:00,757 INFO L93 Difference]: Finished difference Result 51889 states and 71695 transitions. [2021-12-14 18:53:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:53:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2021-12-14 18:53:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:53:00,888 INFO L225 Difference]: With dead ends: 51889 [2021-12-14 18:53:00,888 INFO L226 Difference]: Without dead ends: 31641 [2021-12-14 18:53:00,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:53:00,949 INFO L933 BasicCegarLoop]: 5591 mSDtfsCounter, 4249 mSDsluCounter, 4905 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 2345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4881 SdHoareTripleChecker+Valid, 10496 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:53:00,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4881 Valid, 10496 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2345 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-14 18:53:00,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31641 states. [2021-12-14 18:53:01,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31641 to 30621. [2021-12-14 18:53:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30621 states, 20554 states have (on average 1.247834971295125) internal successors, (25648), 20951 states have internal predecessors, (25648), 8214 states have call successors, (8214), 1852 states have call predecessors, (8214), 1852 states have return successors, (8214), 8091 states have call predecessors, (8214), 8214 states have call successors, (8214) [2021-12-14 18:53:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2021-12-14 18:53:02,074 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2021-12-14 18:53:02,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:53:02,075 INFO L470 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2021-12-14 18:53:02,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-14 18:53:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2021-12-14 18:53:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-14 18:53:02,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:53:02,094 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:53:02,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:53:02,094 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:53:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:53:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1833932343, now seen corresponding path program 1 times [2021-12-14 18:53:02,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:53:02,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497263971] [2021-12-14 18:53:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:53:02,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:53:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:53:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:53:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:53:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:53:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:53:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:53:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:53:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:53:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:53:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:53:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:53:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:53:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:53:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:53:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:53:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:53:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:53:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:53:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:53:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-14 18:53:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 18:53:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 18:53:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:53:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-14 18:53:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:53:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-14 18:53:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:53:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:53:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:53:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 18:53:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-14 18:53:02,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:53:02,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497263971] [2021-12-14 18:53:02,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497263971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:53:02,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:53:02,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:53:02,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234092452] [2021-12-14 18:53:02,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:53:02,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:53:02,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:53:02,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:53:02,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:53:02,553 INFO L87 Difference]: Start difference. First operand 30621 states and 42076 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)