./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-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-sun-sunhme.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 c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:47:25,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:47:25,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:47:25,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:47:25,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:47:25,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:47:25,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:47:25,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:47:25,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:47:25,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:47:25,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:47:25,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:47:25,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:47:25,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:47:25,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:47:25,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:47:25,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:47:25,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:47:25,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:47:25,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:47:25,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:47:25,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:47:25,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:47:25,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:47:25,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:47:25,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:47:25,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:47:25,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:47:25,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:47:25,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:47:25,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:47:25,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:47:25,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:47:25,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:47:25,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:47:25,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:47:25,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:47:25,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:47:25,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:47:25,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:47:25,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:47:25,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:47:25,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:47:25,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:47:25,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:47:25,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:47:25,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:47:25,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:47:25,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:47:25,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:47:25,757 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:47:25,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:47:25,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:47:25,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:47:25,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:47:25,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:47:25,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:47:25,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:25,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:47:25,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:47:25,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:47:25,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:47:25,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:47:25,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:47:25,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:47:25,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:47:25,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:47:25,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2021-12-22 15:47:26,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:47:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:47:26,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:47:26,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:47:26,190 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:47:26,191 INFO L432 ainManager$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-sun-sunhme.cil.i [2021-12-22 15:47:26,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e43c3447/9448c5a650634724b166da7b537df308/FLAGb4cc8b0ad [2021-12-22 15:47:26,913 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:47:26,913 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-sun-sunhme.cil.i [2021-12-22 15:47:26,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e43c3447/9448c5a650634724b166da7b537df308/FLAGb4cc8b0ad [2021-12-22 15:47:27,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e43c3447/9448c5a650634724b166da7b537df308 [2021-12-22 15:47:27,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:47:27,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:47:27,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:27,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:47:27,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:47:27,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:27" (1/1) ... [2021-12-22 15:47:27,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cce4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:27, skipping insertion in model container [2021-12-22 15:47:27,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:27" (1/1) ... [2021-12-22 15:47:27,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:47:27,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:47:29,256 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-sun-sunhme.cil.i[348277,348290] [2021-12-22 15:47:29,258 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-sun-sunhme.cil.i[348422,348435] [2021-12-22 15:47:29,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:29,306 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:47:29,550 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-sun-sunhme.cil.i[348277,348290] [2021-12-22 15:47:29,551 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-sun-sunhme.cil.i[348422,348435] [2021-12-22 15:47:29,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:29,675 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:47:29,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29 WrapperNode [2021-12-22 15:47:29,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:29,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:29,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:47:29,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:47:29,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:29,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:29,911 INFO L137 Inliner]: procedures = 444, calls = 2166, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 4987 [2021-12-22 15:47:29,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:29,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:47:29,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:47:29,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:47:29,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:29,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:29,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:29,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:30,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:30,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:30,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:30,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:47:30,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:47:30,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:47:30,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:47:30,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (1/1) ... [2021-12-22 15:47:30,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:47:30,275 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) [2021-12-22 15:47:30,315 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 [2021-12-22 15:47:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:47:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2021-12-22 15:47:30,335 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2021-12-22 15:47:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-22 15:47:30,335 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-22 15:47:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:47:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:47:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:47:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:47:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2021-12-22 15:47:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2021-12-22 15:47:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2021-12-22 15:47:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2021-12-22 15:47:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2021-12-22 15:47:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2021-12-22 15:47:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:47:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:47:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2021-12-22 15:47:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2021-12-22 15:47:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:47:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:47:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:47:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:47:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2021-12-22 15:47:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2021-12-22 15:47:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2021-12-22 15:47:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2021-12-22 15:47:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:47:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:47:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2021-12-22 15:47:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2021-12-22 15:47:30,339 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-22 15:47:30,339 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-22 15:47:30,339 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2021-12-22 15:47:30,339 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2021-12-22 15:47:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2021-12-22 15:47:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2021-12-22 15:47:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2021-12-22 15:47:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2021-12-22 15:47:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:47:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:47:30,340 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:47:30,340 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:47:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:47:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:47:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-22 15:47:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-22 15:47:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:47:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:47:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:47:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:47:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:47:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:47:30,342 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:47:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2021-12-22 15:47:30,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2021-12-22 15:47:30,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:47:30,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:47:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:47:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:47:30,344 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:47:30,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:47:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:47:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:47:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:47:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:47:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:47:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:47:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:47:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:47:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:47:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:47:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:47:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:47:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:47:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2021-12-22 15:47:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2021-12-22 15:47:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2021-12-22 15:47:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2021-12-22 15:47:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:47:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:47:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:47:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:47:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:47:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2021-12-22 15:47:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2021-12-22 15:47:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:47:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:47:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:47:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2021-12-22 15:47:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2021-12-22 15:47:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:47:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:47:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:47:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:47:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:47:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:47:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:47:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:47:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:47:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:47:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:47:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:47:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:47:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:47:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:47:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:47:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:47:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:47:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:47:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:47:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:47:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2021-12-22 15:47:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2021-12-22 15:47:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:47:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:47:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2021-12-22 15:47:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2021-12-22 15:47:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:47:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:47:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:47:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2021-12-22 15:47:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2021-12-22 15:47:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:47:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:47:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:47:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:47:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:47:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:47:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:47:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:47:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:47:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-22 15:47:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2021-12-22 15:47:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:47:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:47:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:47:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:47:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 15:47:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:47:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:47:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:47:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2021-12-22 15:47:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2021-12-22 15:47:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:47:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:47:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:47:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2021-12-22 15:47:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2021-12-22 15:47:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:47:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:47:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:47:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:47:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:47:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2021-12-22 15:47:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2021-12-22 15:47:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:47:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:47:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2021-12-22 15:47:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2021-12-22 15:47:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:47:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:47:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:47:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:47:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:47:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:47:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:47:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:47:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:47:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-22 15:47:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-22 15:47:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:47:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:47:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:47:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-22 15:47:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-22 15:47:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:47:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:47:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 15:47:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 15:47:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2021-12-22 15:47:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2021-12-22 15:47:31,047 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:47:31,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:47:31,361 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:47:34,310 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:47:34,401 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:47:34,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:47:34,416 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:47:34,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:34 BoogieIcfgContainer [2021-12-22 15:47:34,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:47:34,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:47:34,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:47:34,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:47:34,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:47:27" (1/3) ... [2021-12-22 15:47:34,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cfbcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:34, skipping insertion in model container [2021-12-22 15:47:34,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:29" (2/3) ... [2021-12-22 15:47:34,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cfbcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:34, skipping insertion in model container [2021-12-22 15:47:34,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:34" (3/3) ... [2021-12-22 15:47:34,425 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2021-12-22 15:47:34,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:47:34,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:47:34,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:47:34,469 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 [2021-12-22 15:47:34,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:47:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 2004 states, 1348 states have (on average 1.3048961424332344) internal successors, (1759), 1386 states have internal predecessors, (1759), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) [2021-12-22 15:47:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-22 15:47:34,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:34,543 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-22 15:47:34,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:34,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1507417581, now seen corresponding path program 1 times [2021-12-22 15:47:34,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:34,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3911473] [2021-12-22 15:47:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:34,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:47:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:47:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 15:47:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:47:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 15:47:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:47:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 15:47:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:47:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-22 15:47:35,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:35,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3911473] [2021-12-22 15:47:35,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3911473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:35,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:35,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:47:35,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851958065] [2021-12-22 15:47:35,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:35,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:47:35,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:35,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:47:35,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:47:35,225 INFO L87 Difference]: Start difference. First operand has 2004 states, 1348 states have (on average 1.3048961424332344) internal successors, (1759), 1386 states have internal predecessors, (1759), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-22 15:47:40,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:40,125 INFO L93 Difference]: Finished difference Result 5792 states and 8422 transitions. [2021-12-22 15:47:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:47:40,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 170 [2021-12-22 15:47:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:40,162 INFO L225 Difference]: With dead ends: 5792 [2021-12-22 15:47:40,162 INFO L226 Difference]: Without dead ends: 3710 [2021-12-22 15:47:40,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:47:40,182 INFO L933 BasicCegarLoop]: 3081 mSDtfsCounter, 4319 mSDsluCounter, 3750 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 3484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 6831 SdHoareTripleChecker+Invalid, 6575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3484 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:40,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4612 Valid, 6831 Invalid, 6575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3484 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-22 15:47:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2021-12-22 15:47:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3687. [2021-12-22 15:47:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 2489 states have (on average 1.2936922458818803) internal successors, (3220), 2566 states have internal predecessors, (3220), 1020 states have call successors, (1020), 175 states have call predecessors, (1020), 177 states have return successors, (1039), 989 states have call predecessors, (1039), 1020 states have call successors, (1039) [2021-12-22 15:47:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 5279 transitions. [2021-12-22 15:47:40,464 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 5279 transitions. Word has length 170 [2021-12-22 15:47:40,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:40,465 INFO L470 AbstractCegarLoop]: Abstraction has 3687 states and 5279 transitions. [2021-12-22 15:47:40,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-22 15:47:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5279 transitions. [2021-12-22 15:47:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-22 15:47:40,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:40,473 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:47:40,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:47:40,473 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:40,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:40,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1262485238, now seen corresponding path program 1 times [2021-12-22 15:47:40,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:40,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401230798] [2021-12-22 15:47:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:40,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:47:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:47:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:47:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 15:47:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:47:40,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:40,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401230798] [2021-12-22 15:47:40,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401230798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:40,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:40,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:47:40,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81625548] [2021-12-22 15:47:40,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:40,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:47:40,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:40,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:47:40,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:47:40,748 INFO L87 Difference]: Start difference. First operand 3687 states and 5279 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 15:47:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:46,257 INFO L93 Difference]: Finished difference Result 10362 states and 14897 transitions. [2021-12-22 15:47:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:47:46,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 157 [2021-12-22 15:47:46,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:46,296 INFO L225 Difference]: With dead ends: 10362 [2021-12-22 15:47:46,296 INFO L226 Difference]: Without dead ends: 6696 [2021-12-22 15:47:46,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:47:46,315 INFO L933 BasicCegarLoop]: 2902 mSDtfsCounter, 3569 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 2999 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3894 SdHoareTripleChecker+Valid, 6835 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2999 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:46,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3894 Valid, 6835 Invalid, 6319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2999 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:47:46,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6696 states. [2021-12-22 15:47:46,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6696 to 6330. [2021-12-22 15:47:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6330 states, 4237 states have (on average 1.290299740382346) internal successors, (5467), 4370 states have internal predecessors, (5467), 1784 states have call successors, (1784), 306 states have call predecessors, (1784), 308 states have return successors, (1803), 1733 states have call predecessors, (1803), 1784 states have call successors, (1803) [2021-12-22 15:47:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 6330 states and 9054 transitions. [2021-12-22 15:47:46,571 INFO L78 Accepts]: Start accepts. Automaton has 6330 states and 9054 transitions. Word has length 157 [2021-12-22 15:47:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:46,573 INFO L470 AbstractCegarLoop]: Abstraction has 6330 states and 9054 transitions. [2021-12-22 15:47:46,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-22 15:47:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 6330 states and 9054 transitions. [2021-12-22 15:47:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-22 15:47:46,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:46,582 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:47:46,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:47:46,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:46,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:46,583 INFO L85 PathProgramCache]: Analyzing trace with hash 69868049, now seen corresponding path program 1 times [2021-12-22 15:47:46,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:46,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614264665] [2021-12-22 15:47:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:46,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:47:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 15:47:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:47:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:47:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:47:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 15:47:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:47:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 15:47:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:47:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-22 15:47:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:47:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:47:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 15:47:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-12-22 15:47:46,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:46,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614264665] [2021-12-22 15:47:46,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614264665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:46,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:46,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:47:46,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782233797] [2021-12-22 15:47:46,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:46,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:47:46,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:47:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:47:46,970 INFO L87 Difference]: Start difference. First operand 6330 states and 9054 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-22 15:47:54,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:54,667 INFO L93 Difference]: Finished difference Result 17523 states and 24974 transitions. [2021-12-22 15:47:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-22 15:47:54,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 223 [2021-12-22 15:47:54,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:54,720 INFO L225 Difference]: With dead ends: 17523 [2021-12-22 15:47:54,721 INFO L226 Difference]: Without dead ends: 11214 [2021-12-22 15:47:54,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2021-12-22 15:47:54,751 INFO L933 BasicCegarLoop]: 2535 mSDtfsCounter, 6386 mSDsluCounter, 4653 mSDsCounter, 0 mSdLazyCounter, 5232 mSolverCounterSat, 6167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6586 SdHoareTripleChecker+Valid, 7188 SdHoareTripleChecker+Invalid, 11399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6167 IncrementalHoareTripleChecker+Valid, 5232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:54,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6586 Valid, 7188 Invalid, 11399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6167 Valid, 5232 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-22 15:47:54,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11214 states. [2021-12-22 15:47:55,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11214 to 10658. [2021-12-22 15:47:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10658 states, 7204 states have (on average 1.2835924486396446) internal successors, (9247), 7426 states have internal predecessors, (9247), 2895 states have call successors, (2895), 568 states have call predecessors, (2895), 558 states have return successors, (2953), 2784 states have call predecessors, (2953), 2895 states have call successors, (2953) [2021-12-22 15:47:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10658 states to 10658 states and 15095 transitions. [2021-12-22 15:47:55,227 INFO L78 Accepts]: Start accepts. Automaton has 10658 states and 15095 transitions. Word has length 223 [2021-12-22 15:47:55,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:55,228 INFO L470 AbstractCegarLoop]: Abstraction has 10658 states and 15095 transitions. [2021-12-22 15:47:55,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-22 15:47:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 10658 states and 15095 transitions. [2021-12-22 15:47:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-22 15:47:55,270 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:55,270 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:47:55,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:47:55,271 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:55,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:55,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1114337828, now seen corresponding path program 1 times [2021-12-22 15:47:55,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:55,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585940069] [2021-12-22 15:47:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:55,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:47:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:47:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 15:47:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 15:47:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 15:47:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:47:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:47:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:47:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:47:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:47:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:47:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:47:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:47:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:47:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-12-22 15:47:55,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:55,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585940069] [2021-12-22 15:47:55,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585940069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:55,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:55,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:47:55,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795507620] [2021-12-22 15:47:55,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:55,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:47:55,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:55,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:47:55,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:47:55,611 INFO L87 Difference]: Start difference. First operand 10658 states and 15095 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-22 15:48:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:48:04,509 INFO L93 Difference]: Finished difference Result 30568 states and 43480 transitions. [2021-12-22 15:48:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-22 15:48:04,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 226 [2021-12-22 15:48:04,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:48:04,696 INFO L225 Difference]: With dead ends: 30568 [2021-12-22 15:48:04,697 INFO L226 Difference]: Without dead ends: 19931 [2021-12-22 15:48:04,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2021-12-22 15:48:04,743 INFO L933 BasicCegarLoop]: 2677 mSDtfsCounter, 6620 mSDsluCounter, 5194 mSDsCounter, 0 mSdLazyCounter, 5272 mSolverCounterSat, 6662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6884 SdHoareTripleChecker+Valid, 7871 SdHoareTripleChecker+Invalid, 11934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6662 IncrementalHoareTripleChecker+Valid, 5272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:48:04,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6884 Valid, 7871 Invalid, 11934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6662 Valid, 5272 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-22 15:48:04,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19931 states. [2021-12-22 15:48:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19931 to 18999. [2021-12-22 15:48:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18999 states, 12801 states have (on average 1.2877900164049683) internal successors, (16485), 13213 states have internal predecessors, (16485), 5159 states have call successors, (5159), 1056 states have call predecessors, (5159), 1038 states have return successors, (5279), 4945 states have call predecessors, (5279), 5159 states have call successors, (5279) [2021-12-22 15:48:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18999 states to 18999 states and 26923 transitions. [2021-12-22 15:48:05,475 INFO L78 Accepts]: Start accepts. Automaton has 18999 states and 26923 transitions. Word has length 226 [2021-12-22 15:48:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:48:05,477 INFO L470 AbstractCegarLoop]: Abstraction has 18999 states and 26923 transitions. [2021-12-22 15:48:05,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-22 15:48:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 18999 states and 26923 transitions. [2021-12-22 15:48:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 15:48:05,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:05,484 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:48:05,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:48:05,485 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:48:05,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:05,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1711833284, now seen corresponding path program 1 times [2021-12-22 15:48:05,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:05,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127274837] [2021-12-22 15:48:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:05,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:48:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:48:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 15:48:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 15:48:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:48:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:48:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:48:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:48:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:48:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:48:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:48:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:48:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-12-22 15:48:05,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:05,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127274837] [2021-12-22 15:48:05,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127274837] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:05,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:05,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:48:05,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714785400] [2021-12-22 15:48:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:05,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:48:05,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:05,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:48:05,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:48:05,799 INFO L87 Difference]: Start difference. First operand 18999 states and 26923 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:48:11,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:48:11,625 INFO L93 Difference]: Finished difference Result 46337 states and 65809 transitions. [2021-12-22 15:48:11,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:48:11,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 224 [2021-12-22 15:48:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:48:11,869 INFO L225 Difference]: With dead ends: 46337 [2021-12-22 15:48:11,869 INFO L226 Difference]: Without dead ends: 27359 [2021-12-22 15:48:11,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:48:11,923 INFO L933 BasicCegarLoop]: 4267 mSDtfsCounter, 2703 mSDsluCounter, 4868 mSDsCounter, 0 mSdLazyCounter, 3759 mSolverCounterSat, 2218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 9135 SdHoareTripleChecker+Invalid, 5977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2218 IncrementalHoareTripleChecker+Valid, 3759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:48:11,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3029 Valid, 9135 Invalid, 5977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2218 Valid, 3759 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:48:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27359 states. [2021-12-22 15:48:12,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27359 to 26167. [2021-12-22 15:48:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26167 states, 17572 states have (on average 1.283633052583656) internal successors, (22556), 18128 states have internal predecessors, (22556), 7146 states have call successors, (7146), 1474 states have call predecessors, (7146), 1448 states have return successors, (7266), 6866 states have call predecessors, (7266), 7146 states have call successors, (7266) [2021-12-22 15:48:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26167 states to 26167 states and 36968 transitions. [2021-12-22 15:48:12,879 INFO L78 Accepts]: Start accepts. Automaton has 26167 states and 36968 transitions. Word has length 224 [2021-12-22 15:48:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:48:12,880 INFO L470 AbstractCegarLoop]: Abstraction has 26167 states and 36968 transitions. [2021-12-22 15:48:12,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:48:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 26167 states and 36968 transitions. [2021-12-22 15:48:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-22 15:48:12,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:12,887 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:48:12,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:48:12,888 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:48:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1096617870, now seen corresponding path program 1 times [2021-12-22 15:48:12,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:12,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682621216] [2021-12-22 15:48:12,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:12,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:48:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:48:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:48:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 15:48:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 15:48:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:48:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:48:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:48:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:48:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 15:48:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:48:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:48:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 15:48:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:48:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:48:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:48:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-22 15:48:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-12-22 15:48:13,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:13,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682621216] [2021-12-22 15:48:13,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682621216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:13,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:13,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:48:13,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581218252] [2021-12-22 15:48:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:13,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:48:13,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:48:13,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:48:13,381 INFO L87 Difference]: Start difference. First operand 26167 states and 36968 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-22 15:48:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:48:22,387 INFO L93 Difference]: Finished difference Result 80643 states and 114270 transitions. [2021-12-22 15:48:22,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-22 15:48:22,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 246 [2021-12-22 15:48:22,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:48:22,891 INFO L225 Difference]: With dead ends: 80643 [2021-12-22 15:48:22,891 INFO L226 Difference]: Without dead ends: 54497 [2021-12-22 15:48:22,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2021-12-22 15:48:22,980 INFO L933 BasicCegarLoop]: 3436 mSDtfsCounter, 5740 mSDsluCounter, 5655 mSDsCounter, 0 mSdLazyCounter, 6040 mSolverCounterSat, 5936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6064 SdHoareTripleChecker+Valid, 9091 SdHoareTripleChecker+Invalid, 11976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5936 IncrementalHoareTripleChecker+Valid, 6040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:48:22,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6064 Valid, 9091 Invalid, 11976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5936 Valid, 6040 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-22 15:48:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54497 states. [2021-12-22 15:48:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54497 to 52083. [2021-12-22 15:48:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52083 states, 34926 states have (on average 1.283341922922751) internal successors, (44822), 36074 states have internal predecessors, (44822), 14260 states have call successors, (14260), 2948 states have call predecessors, (14260), 2896 states have return successors, (14500), 13664 states have call predecessors, (14500), 14260 states have call successors, (14500) [2021-12-22 15:48:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52083 states to 52083 states and 73582 transitions. [2021-12-22 15:48:25,606 INFO L78 Accepts]: Start accepts. Automaton has 52083 states and 73582 transitions. Word has length 246 [2021-12-22 15:48:25,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:48:25,607 INFO L470 AbstractCegarLoop]: Abstraction has 52083 states and 73582 transitions. [2021-12-22 15:48:25,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-22 15:48:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 52083 states and 73582 transitions. [2021-12-22 15:48:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-22 15:48:25,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:25,631 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:48:25,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:48:25,632 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:48:25,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1456387236, now seen corresponding path program 1 times [2021-12-22 15:48:25,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:25,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833840098] [2021-12-22 15:48:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:25,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:48:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:48:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:48:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:48:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:48:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:48:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:48:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:48:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:48:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:48:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:48:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:48:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 15:48:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:48:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-22 15:48:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:48:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:48:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:48:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:48:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-12-22 15:48:25,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:25,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833840098] [2021-12-22 15:48:25,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833840098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:25,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:25,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:48:25,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390166975] [2021-12-22 15:48:25,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:25,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:48:25,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:25,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:48:25,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:48:25,986 INFO L87 Difference]: Start difference. First operand 52083 states and 73582 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30)