./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:08:14,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:08:14,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:08:14,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:08:14,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:08:14,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:08:14,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:08:14,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:08:14,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:08:14,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:08:14,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:08:14,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:08:14,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:08:14,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:08:14,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:08:14,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:08:14,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:08:14,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:08:14,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:08:14,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:08:14,160 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:08:14,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:08:14,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:08:14,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:08:14,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:08:14,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:08:14,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:08:14,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:08:14,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:08:14,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:08:14,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:08:14,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:08:14,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:08:14,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:08:14,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:08:14,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:08:14,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:08:14,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:08:14,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:08:14,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:08:14,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:08:14,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:08:14,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:08:14,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:08:14,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:08:14,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:08:14,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:08:14,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:08:14,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:08:14,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:08:14,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:08:14,210 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:08:14,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:08:14,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:08:14,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:08:14,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:08:14,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:08:14,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:08:14,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:08:14,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:08:14,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:08:14,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:08:14,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-07-21 11:08:14,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:08:14,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:08:14,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:08:14,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:08:14,458 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:08:14,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-07-21 11:08:14,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214ccf697/834051b290b64e8c83bc54549930ad8e/FLAGdebae02f1 [2022-07-21 11:08:15,012 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:08:15,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-07-21 11:08:15,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214ccf697/834051b290b64e8c83bc54549930ad8e/FLAGdebae02f1 [2022-07-21 11:08:15,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214ccf697/834051b290b64e8c83bc54549930ad8e [2022-07-21 11:08:15,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:08:15,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:08:15,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:08:15,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:08:15,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:08:15,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:08:15" (1/1) ... [2022-07-21 11:08:15,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62023b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:15, skipping insertion in model container [2022-07-21 11:08:15,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:08:15" (1/1) ... [2022-07-21 11:08:15,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:08:15,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:08:15,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-07-21 11:08:16,323 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-21 11:08:16,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:08:16,342 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:08:16,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-07-21 11:08:16,537 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-21 11:08:16,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:08:16,577 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:08:16,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16 WrapperNode [2022-07-21 11:08:16,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:08:16,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:08:16,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:08:16,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:08:16,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,728 INFO L137 Inliner]: procedures = 184, calls = 840, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2136 [2022-07-21 11:08:16,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:08:16,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:08:16,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:08:16,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:08:16,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:08:16,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:08:16,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:08:16,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:08:16,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (1/1) ... [2022-07-21 11:08:16,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:08:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:08:17,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:08:17,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-07-21 11:08:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:08:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:08:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-21 11:08:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-21 11:08:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-07-21 11:08:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-07-21 11:08:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-07-21 11:08:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-07-21 11:08:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-07-21 11:08:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-07-21 11:08:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:08:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:08:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:08:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:08:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-07-21 11:08:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-07-21 11:08:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-07-21 11:08:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-07-21 11:08:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-21 11:08:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-21 11:08:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 11:08:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:08:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:08:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-07-21 11:08:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:08:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:08:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-07-21 11:08:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-07-21 11:08:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:08:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:08:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:08:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:08:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:08:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-07-21 11:08:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-07-21 11:08:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:08:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 11:08:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-07-21 11:08:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:08:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-21 11:08:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-21 11:08:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 11:08:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:08:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:08:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:08:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:08:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:08:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-07-21 11:08:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-07-21 11:08:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-07-21 11:08:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-07-21 11:08:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 11:08:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 11:08:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-07-21 11:08:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-07-21 11:08:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-07-21 11:08:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 11:08:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 11:08:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:08:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:08:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:08:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:08:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:08:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:08:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-07-21 11:08:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-07-21 11:08:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-07-21 11:08:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-07-21 11:08:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:08:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-07-21 11:08:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-07-21 11:08:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:08:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:08:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 11:08:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 11:08:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:08:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:08:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-07-21 11:08:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-07-21 11:08:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-07-21 11:08:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-07-21 11:08:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:08:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:08:17,480 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:08:17,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:08:17,744 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:08:18,847 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:08:18,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:08:18,862 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:08:18,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:08:18 BoogieIcfgContainer [2022-07-21 11:08:18,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:08:18,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:08:18,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:08:18,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:08:18,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:08:15" (1/3) ... [2022-07-21 11:08:18,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f37d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:08:18, skipping insertion in model container [2022-07-21 11:08:18,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:08:16" (2/3) ... [2022-07-21 11:08:18,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f37d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:08:18, skipping insertion in model container [2022-07-21 11:08:18,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:08:18" (3/3) ... [2022-07-21 11:08:18,874 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-07-21 11:08:18,884 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:08:18,885 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:08:18,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:08:18,983 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1be28f97, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a053a0c [2022-07-21 11:08:18,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:08:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 883 states, 628 states have (on average 1.3678343949044587) internal successors, (859), 645 states have internal predecessors, (859), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-07-21 11:08:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 11:08:19,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:19,007 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 11:08:19,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:19,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1822953326, now seen corresponding path program 1 times [2022-07-21 11:08:19,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:19,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250990391] [2022-07-21 11:08:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:19,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:08:19,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:19,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250990391] [2022-07-21 11:08:19,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250990391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:19,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:19,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:08:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559180528] [2022-07-21 11:08:19,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:19,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:08:19,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:19,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:08:19,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:08:19,423 INFO L87 Difference]: Start difference. First operand has 883 states, 628 states have (on average 1.3678343949044587) internal successors, (859), 645 states have internal predecessors, (859), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:08:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:21,978 INFO L93 Difference]: Finished difference Result 2819 states and 4163 transitions. [2022-07-21 11:08:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:08:21,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 11:08:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:22,029 INFO L225 Difference]: With dead ends: 2819 [2022-07-21 11:08:22,029 INFO L226 Difference]: Without dead ends: 1895 [2022-07-21 11:08:22,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:08:22,038 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1780 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 3994 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:22,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 3994 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 11:08:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2022-07-21 11:08:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1715. [2022-07-21 11:08:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1225 states have (on average 1.3061224489795917) internal successors, (1600), 1250 states have internal predecessors, (1600), 370 states have call successors, (370), 118 states have call predecessors, (370), 119 states have return successors, (383), 368 states have call predecessors, (383), 369 states have call successors, (383) [2022-07-21 11:08:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2353 transitions. [2022-07-21 11:08:22,171 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2353 transitions. Word has length 32 [2022-07-21 11:08:22,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:22,172 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2353 transitions. [2022-07-21 11:08:22,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:08:22,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2353 transitions. [2022-07-21 11:08:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-21 11:08:22,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:22,178 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 11:08:22,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:08:22,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:22,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1119313245, now seen corresponding path program 1 times [2022-07-21 11:08:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:22,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134161323] [2022-07-21 11:08:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:08:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:08:22,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:22,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134161323] [2022-07-21 11:08:22,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134161323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:22,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:22,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:08:22,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618824111] [2022-07-21 11:08:22,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:22,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:08:22,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:22,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:08:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:08:22,312 INFO L87 Difference]: Start difference. First operand 1715 states and 2353 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:08:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:25,097 INFO L93 Difference]: Finished difference Result 3891 states and 5498 transitions. [2022-07-21 11:08:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:08:25,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2022-07-21 11:08:25,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:25,110 INFO L225 Difference]: With dead ends: 3891 [2022-07-21 11:08:25,110 INFO L226 Difference]: Without dead ends: 2184 [2022-07-21 11:08:25,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:08:25,116 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 902 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:25,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 2411 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 11:08:25,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2022-07-21 11:08:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1825. [2022-07-21 11:08:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1311 states have (on average 1.3043478260869565) internal successors, (1710), 1339 states have internal predecessors, (1710), 382 states have call successors, (382), 127 states have call predecessors, (382), 131 states have return successors, (401), 380 states have call predecessors, (401), 381 states have call successors, (401) [2022-07-21 11:08:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2493 transitions. [2022-07-21 11:08:25,202 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2493 transitions. Word has length 77 [2022-07-21 11:08:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:25,202 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2493 transitions. [2022-07-21 11:08:25,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:08:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2493 transitions. [2022-07-21 11:08:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-21 11:08:25,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:25,206 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:25,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:08:25,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:25,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash 549574912, now seen corresponding path program 1 times [2022-07-21 11:08:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:25,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598861227] [2022-07-21 11:08:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:08:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-21 11:08:25,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:25,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598861227] [2022-07-21 11:08:25,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598861227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:25,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:25,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:08:25,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083350620] [2022-07-21 11:08:25,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:25,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:08:25,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:25,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:08:25,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:08:25,398 INFO L87 Difference]: Start difference. First operand 1825 states and 2493 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:08:29,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:29,497 INFO L93 Difference]: Finished difference Result 5681 states and 8049 transitions. [2022-07-21 11:08:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:08:29,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-07-21 11:08:29,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:29,514 INFO L225 Difference]: With dead ends: 5681 [2022-07-21 11:08:29,514 INFO L226 Difference]: Without dead ends: 3885 [2022-07-21 11:08:29,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:08:29,520 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 3109 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 1636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 3736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1636 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:29,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3274 Valid, 2418 Invalid, 3736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1636 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 11:08:29,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2022-07-21 11:08:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3192. [2022-07-21 11:08:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 2318 states have (on average 1.2959447799827437) internal successors, (3004), 2360 states have internal predecessors, (3004), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-07-21 11:08:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 4291 transitions. [2022-07-21 11:08:29,638 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 4291 transitions. Word has length 101 [2022-07-21 11:08:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:29,638 INFO L495 AbstractCegarLoop]: Abstraction has 3192 states and 4291 transitions. [2022-07-21 11:08:29,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:08:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 4291 transitions. [2022-07-21 11:08:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-21 11:08:29,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:29,642 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:29,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:08:29,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:29,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:29,643 INFO L85 PathProgramCache]: Analyzing trace with hash 614230688, now seen corresponding path program 1 times [2022-07-21 11:08:29,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70670679] [2022-07-21 11:08:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 11:08:29,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:29,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70670679] [2022-07-21 11:08:29,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70670679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:29,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:29,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:08:29,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577066619] [2022-07-21 11:08:29,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:29,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:08:29,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:29,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:08:29,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:08:29,909 INFO L87 Difference]: Start difference. First operand 3192 states and 4291 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-21 11:08:32,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:34,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:34,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:34,807 INFO L93 Difference]: Finished difference Result 5541 states and 7801 transitions. [2022-07-21 11:08:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:08:34,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2022-07-21 11:08:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:34,825 INFO L225 Difference]: With dead ends: 5541 [2022-07-21 11:08:34,825 INFO L226 Difference]: Without dead ends: 3880 [2022-07-21 11:08:34,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:08:34,834 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 1136 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:34,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2343 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 11:08:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2022-07-21 11:08:34,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3196. [2022-07-21 11:08:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 2322 states have (on average 1.2954349698535745) internal successors, (3008), 2364 states have internal predecessors, (3008), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-07-21 11:08:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 4295 transitions. [2022-07-21 11:08:34,974 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 4295 transitions. Word has length 101 [2022-07-21 11:08:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:34,975 INFO L495 AbstractCegarLoop]: Abstraction has 3196 states and 4295 transitions. [2022-07-21 11:08:34,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-21 11:08:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 4295 transitions. [2022-07-21 11:08:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:08:34,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:34,987 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:34,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:08:34,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2002732129, now seen corresponding path program 1 times [2022-07-21 11:08:34,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:34,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518604143] [2022-07-21 11:08:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 11:08:35,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:35,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518604143] [2022-07-21 11:08:35,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518604143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:35,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:35,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:08:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24270519] [2022-07-21 11:08:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:35,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:08:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:08:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:08:35,234 INFO L87 Difference]: Start difference. First operand 3196 states and 4295 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:08:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:41,250 INFO L93 Difference]: Finished difference Result 7903 states and 11032 transitions. [2022-07-21 11:08:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 11:08:41,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2022-07-21 11:08:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:41,266 INFO L225 Difference]: With dead ends: 7903 [2022-07-21 11:08:41,266 INFO L226 Difference]: Without dead ends: 4736 [2022-07-21 11:08:41,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2022-07-21 11:08:41,273 INFO L413 NwaCegarLoop]: 1268 mSDtfsCounter, 4509 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 5472 mSolverCounterSat, 2580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 8052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 5472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:41,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 3440 Invalid, 8052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2580 Valid, 5472 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-21 11:08:41,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2022-07-21 11:08:41,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 3852. [2022-07-21 11:08:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 2818 states have (on average 1.2945351312987934) internal successors, (3648), 2868 states have internal predecessors, (3648), 752 states have call successors, (752), 276 states have call predecessors, (752), 281 states have return successors, (777), 745 states have call predecessors, (777), 751 states have call successors, (777) [2022-07-21 11:08:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5177 transitions. [2022-07-21 11:08:41,398 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5177 transitions. Word has length 103 [2022-07-21 11:08:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:41,399 INFO L495 AbstractCegarLoop]: Abstraction has 3852 states and 5177 transitions. [2022-07-21 11:08:41,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:08:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5177 transitions. [2022-07-21 11:08:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-21 11:08:41,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:41,406 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:41,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:08:41,406 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1480360647, now seen corresponding path program 1 times [2022-07-21 11:08:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:41,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124288909] [2022-07-21 11:08:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:08:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 11:08:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:08:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 11:08:41,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:41,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124288909] [2022-07-21 11:08:41,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124288909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:41,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:41,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:08:41,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512913443] [2022-07-21 11:08:41,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:41,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:08:41,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:41,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:08:41,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:08:41,705 INFO L87 Difference]: Start difference. First operand 3852 states and 5177 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:08:45,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:47,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:47,070 INFO L93 Difference]: Finished difference Result 8467 states and 11797 transitions. [2022-07-21 11:08:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:08:47,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 132 [2022-07-21 11:08:47,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:47,091 INFO L225 Difference]: With dead ends: 8467 [2022-07-21 11:08:47,091 INFO L226 Difference]: Without dead ends: 4644 [2022-07-21 11:08:47,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:08:47,101 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 755 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 3410 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 3842 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 3410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:47,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 3842 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 3410 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 11:08:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2022-07-21 11:08:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 3880. [2022-07-21 11:08:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3880 states, 2838 states have (on average 1.2924594785059902) internal successors, (3668), 2890 states have internal predecessors, (3668), 752 states have call successors, (752), 276 states have call predecessors, (752), 289 states have return successors, (789), 751 states have call predecessors, (789), 751 states have call successors, (789) [2022-07-21 11:08:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5209 transitions. [2022-07-21 11:08:47,238 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5209 transitions. Word has length 132 [2022-07-21 11:08:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:47,239 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5209 transitions. [2022-07-21 11:08:47,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:08:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5209 transitions. [2022-07-21 11:08:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-21 11:08:47,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:47,246 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:47,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:08:47,246 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:47,246 INFO L85 PathProgramCache]: Analyzing trace with hash 993276834, now seen corresponding path program 1 times [2022-07-21 11:08:47,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:47,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227159580] [2022-07-21 11:08:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:08:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:08:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:08:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-21 11:08:47,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:47,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227159580] [2022-07-21 11:08:47,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227159580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:47,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:47,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:08:47,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961113985] [2022-07-21 11:08:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:47,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:08:47,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:47,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:08:47,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:08:47,478 INFO L87 Difference]: Start difference. First operand 3880 states and 5209 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:08:51,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:52,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:52,898 INFO L93 Difference]: Finished difference Result 8476 states and 11732 transitions. [2022-07-21 11:08:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:08:52,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2022-07-21 11:08:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:52,937 INFO L225 Difference]: With dead ends: 8476 [2022-07-21 11:08:52,937 INFO L226 Difference]: Without dead ends: 4612 [2022-07-21 11:08:52,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:08:52,950 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 1563 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:52,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 2447 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-21 11:08:52,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2022-07-21 11:08:53,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 3856. [2022-07-21 11:08:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3856 states, 2816 states have (on average 1.2879971590909092) internal successors, (3627), 2868 states have internal predecessors, (3627), 750 states have call successors, (750), 276 states have call predecessors, (750), 289 states have return successors, (785), 749 states have call predecessors, (785), 749 states have call successors, (785) [2022-07-21 11:08:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5162 transitions. [2022-07-21 11:08:53,133 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5162 transitions. Word has length 153 [2022-07-21 11:08:53,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:53,134 INFO L495 AbstractCegarLoop]: Abstraction has 3856 states and 5162 transitions. [2022-07-21 11:08:53,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:08:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5162 transitions. [2022-07-21 11:08:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-21 11:08:53,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:53,141 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:53,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:08:53,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:53,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:53,141 INFO L85 PathProgramCache]: Analyzing trace with hash -276957105, now seen corresponding path program 1 times [2022-07-21 11:08:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:53,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534167460] [2022-07-21 11:08:53,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:53,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:08:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:08:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:08:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 11:08:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 11:08:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:08:53,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:53,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534167460] [2022-07-21 11:08:53,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534167460] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:08:53,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328631869] [2022-07-21 11:08:53,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:53,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:08:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:08:53,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:08:53,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:08:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:53,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 11:08:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 11:08:54,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:08:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:08:54,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328631869] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 11:08:54,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:08:54,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 8] total 23 [2022-07-21 11:08:54,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898350463] [2022-07-21 11:08:54,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:54,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:08:54,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:54,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:08:54,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2022-07-21 11:08:54,604 INFO L87 Difference]: Start difference. First operand 3856 states and 5162 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-21 11:08:57,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:57,980 INFO L93 Difference]: Finished difference Result 8968 states and 12269 transitions. [2022-07-21 11:08:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:08:57,981 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 161 [2022-07-21 11:08:57,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:57,998 INFO L225 Difference]: With dead ends: 8968 [2022-07-21 11:08:57,999 INFO L226 Difference]: Without dead ends: 6640 [2022-07-21 11:08:58,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 341 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2022-07-21 11:08:58,006 INFO L413 NwaCegarLoop]: 1711 mSDtfsCounter, 4317 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 5282 mSolverCounterSat, 1882 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 7164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1882 IncrementalHoareTripleChecker+Valid, 5282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:58,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4450 Valid, 4630 Invalid, 7164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1882 Valid, 5282 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 11:08:58,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-21 11:08:58,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 5606. [2022-07-21 11:08:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5606 states, 4083 states have (on average 1.2885133480284106) internal successors, (5261), 4166 states have internal predecessors, (5261), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:08:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 7553 transitions. [2022-07-21 11:08:58,229 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 7553 transitions. Word has length 161 [2022-07-21 11:08:58,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:58,230 INFO L495 AbstractCegarLoop]: Abstraction has 5606 states and 7553 transitions. [2022-07-21 11:08:58,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-21 11:08:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 7553 transitions. [2022-07-21 11:08:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-21 11:08:58,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:58,239 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:58,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:58,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:08:58,457 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:58,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:58,457 INFO L85 PathProgramCache]: Analyzing trace with hash -924833424, now seen corresponding path program 1 times [2022-07-21 11:08:58,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:58,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658885054] [2022-07-21 11:08:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:08:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:08:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:08:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:08:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 11:08:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:08:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-21 11:08:58,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:58,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658885054] [2022-07-21 11:08:58,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658885054] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:58,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:58,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:08:58,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146988912] [2022-07-21 11:08:58,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:58,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:08:58,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:08:58,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:08:58,741 INFO L87 Difference]: Start difference. First operand 5606 states and 7553 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:02,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:09:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:03,291 INFO L93 Difference]: Finished difference Result 10773 states and 15104 transitions. [2022-07-21 11:09:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:09:03,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 163 [2022-07-21 11:09:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:03,310 INFO L225 Difference]: With dead ends: 10773 [2022-07-21 11:09:03,311 INFO L226 Difference]: Without dead ends: 6695 [2022-07-21 11:09:03,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:09:03,320 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 506 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 3215 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:03,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 3215 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 11:09:03,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2022-07-21 11:09:03,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 5604. [2022-07-21 11:09:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5604 states, 4081 states have (on average 1.287674589561382) internal successors, (5255), 4164 states have internal predecessors, (5255), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:09:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5604 states to 5604 states and 7547 transitions. [2022-07-21 11:09:03,543 INFO L78 Accepts]: Start accepts. Automaton has 5604 states and 7547 transitions. Word has length 163 [2022-07-21 11:09:03,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:03,543 INFO L495 AbstractCegarLoop]: Abstraction has 5604 states and 7547 transitions. [2022-07-21 11:09:03,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5604 states and 7547 transitions. [2022-07-21 11:09:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-21 11:09:03,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:03,550 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2022-07-21 11:09:03,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:09:03,550 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:03,550 INFO L85 PathProgramCache]: Analyzing trace with hash -249324809, now seen corresponding path program 1 times [2022-07-21 11:09:03,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:03,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322188752] [2022-07-21 11:09:03,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:03,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:09:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:09:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:09:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:09:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:09:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:09:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:09:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-07-21 11:09:03,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:03,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322188752] [2022-07-21 11:09:03,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322188752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:09:03,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:09:03,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:09:03,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792861125] [2022-07-21 11:09:03,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:03,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:09:03,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:03,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:09:03,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:09:03,801 INFO L87 Difference]: Start difference. First operand 5604 states and 7547 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:06,669 INFO L93 Difference]: Finished difference Result 12287 states and 17119 transitions. [2022-07-21 11:09:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:09:06,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2022-07-21 11:09:06,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:06,696 INFO L225 Difference]: With dead ends: 12287 [2022-07-21 11:09:06,697 INFO L226 Difference]: Without dead ends: 6735 [2022-07-21 11:09:06,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:09:06,715 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1111 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 3209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:06,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 2978 Invalid, 3209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 11:09:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2022-07-21 11:09:06,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 5616. [2022-07-21 11:09:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 4093 states have (on average 1.2868311751771317) internal successors, (5267), 4176 states have internal predecessors, (5267), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:09:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 7559 transitions. [2022-07-21 11:09:06,972 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 7559 transitions. Word has length 165 [2022-07-21 11:09:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:06,972 INFO L495 AbstractCegarLoop]: Abstraction has 5616 states and 7559 transitions. [2022-07-21 11:09:06,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 7559 transitions. [2022-07-21 11:09:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 11:09:06,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:06,979 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2022-07-21 11:09:06,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 11:09:06,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:06,980 INFO L85 PathProgramCache]: Analyzing trace with hash -352747458, now seen corresponding path program 1 times [2022-07-21 11:09:06,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:06,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711043891] [2022-07-21 11:09:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:06,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:09:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:09:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:09:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:09:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:09:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 11:09:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:09:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 11:09:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:07,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711043891] [2022-07-21 11:09:07,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711043891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:09:07,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:09:07,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:09:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960342692] [2022-07-21 11:09:07,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:07,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:09:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:09:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:09:07,205 INFO L87 Difference]: Start difference. First operand 5616 states and 7559 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:09,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:09,855 INFO L93 Difference]: Finished difference Result 12487 states and 17445 transitions. [2022-07-21 11:09:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:09:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-07-21 11:09:09,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:09,887 INFO L225 Difference]: With dead ends: 12487 [2022-07-21 11:09:09,888 INFO L226 Difference]: Without dead ends: 6923 [2022-07-21 11:09:09,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:09:09,903 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 819 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2376 SdHoareTripleChecker+Invalid, 2217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:09,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2376 Invalid, 2217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 11:09:09,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6923 states. [2022-07-21 11:09:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 5664. [2022-07-21 11:09:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5664 states, 4141 states have (on average 1.2835063994204299) internal successors, (5315), 4224 states have internal predecessors, (5315), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:09:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5664 states to 5664 states and 7607 transitions. [2022-07-21 11:09:10,187 INFO L78 Accepts]: Start accepts. Automaton has 5664 states and 7607 transitions. Word has length 166 [2022-07-21 11:09:10,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:10,188 INFO L495 AbstractCegarLoop]: Abstraction has 5664 states and 7607 transitions. [2022-07-21 11:09:10,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5664 states and 7607 transitions. [2022-07-21 11:09:10,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-21 11:09:10,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:10,195 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2022-07-21 11:09:10,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 11:09:10,195 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:10,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:10,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1090966733, now seen corresponding path program 1 times [2022-07-21 11:09:10,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:10,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703236583] [2022-07-21 11:09:10,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:09:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 11:09:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:09:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:09:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 11:09:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:09:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 11:09:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 11:09:10,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:10,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703236583] [2022-07-21 11:09:10,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703236583] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:09:10,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:09:10,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:09:10,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81832722] [2022-07-21 11:09:10,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:10,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:09:10,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:10,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:09:10,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:09:10,393 INFO L87 Difference]: Start difference. First operand 5664 states and 7607 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:13,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:09:15,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:15,309 INFO L93 Difference]: Finished difference Result 12523 states and 17417 transitions. [2022-07-21 11:09:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:09:15,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 169 [2022-07-21 11:09:15,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:15,346 INFO L225 Difference]: With dead ends: 12523 [2022-07-21 11:09:15,347 INFO L226 Difference]: Without dead ends: 6911 [2022-07-21 11:09:15,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:09:15,358 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 767 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:15,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 2648 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 11:09:15,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6911 states. [2022-07-21 11:09:15,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 5676. [2022-07-21 11:09:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 4153 states have (on average 1.2826872140621237) internal successors, (5327), 4236 states have internal predecessors, (5327), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:09:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 7619 transitions. [2022-07-21 11:09:15,600 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 7619 transitions. Word has length 169 [2022-07-21 11:09:15,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:15,601 INFO L495 AbstractCegarLoop]: Abstraction has 5676 states and 7619 transitions. [2022-07-21 11:09:15,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 11:09:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 7619 transitions. [2022-07-21 11:09:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 11:09:15,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:15,607 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2022-07-21 11:09:15,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 11:09:15,607 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash 640861731, now seen corresponding path program 1 times [2022-07-21 11:09:15,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:15,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899484464] [2022-07-21 11:09:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:09:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:09:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:09:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:09:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:09:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:09:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-21 11:09:17,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:17,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899484464] [2022-07-21 11:09:17,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899484464] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:09:17,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259415775] [2022-07-21 11:09:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:17,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:09:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:09:17,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:09:17,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:09:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:17,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-21 11:09:17,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:09:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-21 11:09:18,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:09:18,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259415775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:09:18,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:09:18,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [39] total 49 [2022-07-21 11:09:18,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819648572] [2022-07-21 11:09:18,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:18,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 11:09:18,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 11:09:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=2230, Unknown=0, NotChecked=0, Total=2352 [2022-07-21 11:09:18,291 INFO L87 Difference]: Start difference. First operand 5676 states and 7619 transitions. Second operand has 14 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-07-21 11:09:18,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:18,907 INFO L93 Difference]: Finished difference Result 12382 states and 16770 transitions. [2022-07-21 11:09:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 11:09:18,908 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 172 [2022-07-21 11:09:18,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:18,923 INFO L225 Difference]: With dead ends: 12382 [2022-07-21 11:09:18,923 INFO L226 Difference]: Without dead ends: 6758 [2022-07-21 11:09:18,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=150, Invalid=2712, Unknown=0, NotChecked=0, Total=2862 [2022-07-21 11:09:18,934 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 270 mSDsluCounter, 14799 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 16078 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:18,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 16078 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:09:18,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6758 states. [2022-07-21 11:09:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6758 to 5676. [2022-07-21 11:09:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 4153 states have (on average 1.2778714182518662) internal successors, (5307), 4236 states have internal predecessors, (5307), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-07-21 11:09:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 7599 transitions. [2022-07-21 11:09:19,174 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 7599 transitions. Word has length 172 [2022-07-21 11:09:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:19,175 INFO L495 AbstractCegarLoop]: Abstraction has 5676 states and 7599 transitions. [2022-07-21 11:09:19,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-07-21 11:09:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 7599 transitions. [2022-07-21 11:09:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 11:09:19,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:19,181 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2022-07-21 11:09:19,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:09:19,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-21 11:09:19,396 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash 159781473, now seen corresponding path program 1 times [2022-07-21 11:09:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:19,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988334653] [2022-07-21 11:09:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:09:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:09:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:09:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:09:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:09:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:09:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-21 11:09:21,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:21,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988334653] [2022-07-21 11:09:21,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988334653] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:09:21,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794724095] [2022-07-21 11:09:21,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:21,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:09:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:09:21,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:09:21,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:09:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:21,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-21 11:09:21,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:09:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-21 11:09:22,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:09:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-21 11:09:22,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794724095] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:09:22,943 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:09:22,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 14, 12] total 51 [2022-07-21 11:09:22,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582456326] [2022-07-21 11:09:22,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:09:22,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-07-21 11:09:22,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:22,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-07-21 11:09:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2417, Unknown=0, NotChecked=0, Total=2550 [2022-07-21 11:09:22,947 INFO L87 Difference]: Start difference. First operand 5676 states and 7599 transitions. Second operand has 51 states, 46 states have (on average 5.217391304347826) internal successors, (240), 39 states have internal predecessors, (240), 13 states have call successors, (37), 6 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-07-21 11:09:55,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:09:57,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:09:59,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:00,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:12,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:12,132 INFO L93 Difference]: Finished difference Result 16124 states and 22700 transitions. [2022-07-21 11:10:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-07-21 11:10:12,133 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 46 states have (on average 5.217391304347826) internal successors, (240), 39 states have internal predecessors, (240), 13 states have call successors, (37), 6 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 172 [2022-07-21 11:10:12,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:12,163 INFO L225 Difference]: With dead ends: 16124 [2022-07-21 11:10:12,163 INFO L226 Difference]: Without dead ends: 10477 [2022-07-21 11:10:12,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 383 SyntacticMatches, 3 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4631 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1204, Invalid=16886, Unknown=0, NotChecked=0, Total=18090 [2022-07-21 11:10:12,180 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 5269 mSDsluCounter, 23244 mSDsCounter, 0 mSdLazyCounter, 47109 mSolverCounterSat, 2755 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5370 SdHoareTripleChecker+Valid, 24597 SdHoareTripleChecker+Invalid, 49864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2755 IncrementalHoareTripleChecker+Valid, 47109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:12,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5370 Valid, 24597 Invalid, 49864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2755 Valid, 47109 Invalid, 0 Unknown, 0 Unchecked, 41.7s Time] [2022-07-21 11:10:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10477 states. [2022-07-21 11:10:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10477 to 6673. [2022-07-21 11:10:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6673 states, 4894 states have (on average 1.2725786677564364) internal successors, (6228), 5001 states have internal predecessors, (6228), 1267 states have call successors, (1267), 460 states have call predecessors, (1267), 511 states have return successors, (1475), 1270 states have call predecessors, (1475), 1266 states have call successors, (1475) [2022-07-21 11:10:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 8970 transitions. [2022-07-21 11:10:12,710 INFO L78 Accepts]: Start accepts. Automaton has 6673 states and 8970 transitions. Word has length 172 [2022-07-21 11:10:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:12,711 INFO L495 AbstractCegarLoop]: Abstraction has 6673 states and 8970 transitions. [2022-07-21 11:10:12,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 46 states have (on average 5.217391304347826) internal successors, (240), 39 states have internal predecessors, (240), 13 states have call successors, (37), 6 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-07-21 11:10:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6673 states and 8970 transitions. [2022-07-21 11:10:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 11:10:12,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:12,721 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:12,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:10:12,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:10:12,941 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:12,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:12,942 INFO L85 PathProgramCache]: Analyzing trace with hash -61046879, now seen corresponding path program 1 times [2022-07-21 11:10:12,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:12,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694810525] [2022-07-21 11:10:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:10:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:10:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:10:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:10:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 11:10:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:10:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:10:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:10:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 11:10:13,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:13,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694810525] [2022-07-21 11:10:13,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694810525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:10:13,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:10:13,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:10:13,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272594723] [2022-07-21 11:10:13,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:10:13,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:10:13,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:10:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:10:13,167 INFO L87 Difference]: Start difference. First operand 6673 states and 8970 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:10:16,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:16,828 INFO L93 Difference]: Finished difference Result 13433 states and 18498 transitions. [2022-07-21 11:10:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:10:16,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-07-21 11:10:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:16,885 INFO L225 Difference]: With dead ends: 13433 [2022-07-21 11:10:16,885 INFO L226 Difference]: Without dead ends: 7692 [2022-07-21 11:10:16,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:10:16,921 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 842 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 3559 SdHoareTripleChecker+Invalid, 2931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:16,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 3559 Invalid, 2931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 2340 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 11:10:16,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-21 11:10:17,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 6709. [2022-07-21 11:10:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6709 states, 4921 states have (on average 1.2735216419426947) internal successors, (6267), 5028 states have internal predecessors, (6267), 1273 states have call successors, (1273), 463 states have call predecessors, (1273), 514 states have return successors, (1481), 1276 states have call predecessors, (1481), 1272 states have call successors, (1481) [2022-07-21 11:10:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 9021 transitions. [2022-07-21 11:10:17,332 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 9021 transitions. Word has length 208 [2022-07-21 11:10:17,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:17,333 INFO L495 AbstractCegarLoop]: Abstraction has 6709 states and 9021 transitions. [2022-07-21 11:10:17,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:10:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 9021 transitions. [2022-07-21 11:10:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 11:10:17,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:17,343 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:17,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 11:10:17,343 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:17,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:17,344 INFO L85 PathProgramCache]: Analyzing trace with hash -217027421, now seen corresponding path program 1 times [2022-07-21 11:10:17,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:17,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574244327] [2022-07-21 11:10:17,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:17,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:10:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:10:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:10:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:10:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 11:10:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:10:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:10:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:10:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-21 11:10:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:17,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574244327] [2022-07-21 11:10:17,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574244327] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:10:17,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:10:17,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:10:17,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768452529] [2022-07-21 11:10:17,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:10:17,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:10:17,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:17,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:10:17,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:10:17,549 INFO L87 Difference]: Start difference. First operand 6709 states and 9021 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:10:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:20,940 INFO L93 Difference]: Finished difference Result 14374 states and 20294 transitions. [2022-07-21 11:10:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:10:20,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-07-21 11:10:20,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:20,964 INFO L225 Difference]: With dead ends: 14374 [2022-07-21 11:10:20,965 INFO L226 Difference]: Without dead ends: 7712 [2022-07-21 11:10:20,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:10:20,981 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 1137 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 3514 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 915 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:20,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 3514 Invalid, 3268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [915 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 11:10:20,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7712 states. [2022-07-21 11:10:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7712 to 6715. [2022-07-21 11:10:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 4924 states have (on average 1.2729488220958571) internal successors, (6268), 5037 states have internal predecessors, (6268), 1270 states have call successors, (1270), 463 states have call predecessors, (1270), 520 states have return successors, (1508), 1273 states have call predecessors, (1508), 1269 states have call successors, (1508) [2022-07-21 11:10:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 9046 transitions. [2022-07-21 11:10:21,520 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 9046 transitions. Word has length 208 [2022-07-21 11:10:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:21,520 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 9046 transitions. [2022-07-21 11:10:21,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:10:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 9046 transitions. [2022-07-21 11:10:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 11:10:21,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:21,531 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:21,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 11:10:21,531 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:21,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1327140870, now seen corresponding path program 1 times [2022-07-21 11:10:21,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:21,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239973576] [2022-07-21 11:10:21,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:21,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:10:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:10:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:10:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:10:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 11:10:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:10:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:10:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:10:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-21 11:10:22,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:22,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239973576] [2022-07-21 11:10:22,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239973576] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:10:22,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604137174] [2022-07-21 11:10:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:22,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:10:22,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:10:22,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:10:22,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 11:10:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:22,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-21 11:10:22,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:10:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-21 11:10:22,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:10:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-21 11:10:23,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604137174] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:10:23,165 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:10:23,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-07-21 11:10:23,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300188891] [2022-07-21 11:10:23,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:10:23,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-21 11:10:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-21 11:10:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-07-21 11:10:23,168 INFO L87 Difference]: Start difference. First operand 6715 states and 9046 transitions. Second operand has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-07-21 11:10:30,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:33,138 INFO L93 Difference]: Finished difference Result 13559 states and 18787 transitions. [2022-07-21 11:10:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 11:10:33,139 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) Word has length 208 [2022-07-21 11:10:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:33,185 INFO L225 Difference]: With dead ends: 13559 [2022-07-21 11:10:33,185 INFO L226 Difference]: Without dead ends: 7772 [2022-07-21 11:10:33,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 449 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-07-21 11:10:33,202 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 1149 mSDsluCounter, 12899 mSDsCounter, 0 mSdLazyCounter, 12542 mSolverCounterSat, 838 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 13984 SdHoareTripleChecker+Invalid, 13381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 838 IncrementalHoareTripleChecker+Valid, 12542 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:33,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 13984 Invalid, 13381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [838 Valid, 12542 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-07-21 11:10:33,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7772 states. [2022-07-21 11:10:33,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7772 to 6724. [2022-07-21 11:10:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6724 states, 4933 states have (on average 1.272450841273059) internal successors, (6277), 5043 states have internal predecessors, (6277), 1270 states have call successors, (1270), 463 states have call predecessors, (1270), 520 states have return successors, (1508), 1276 states have call predecessors, (1508), 1269 states have call successors, (1508) [2022-07-21 11:10:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6724 states to 6724 states and 9055 transitions. [2022-07-21 11:10:33,714 INFO L78 Accepts]: Start accepts. Automaton has 6724 states and 9055 transitions. Word has length 208 [2022-07-21 11:10:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:33,716 INFO L495 AbstractCegarLoop]: Abstraction has 6724 states and 9055 transitions. [2022-07-21 11:10:33,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-07-21 11:10:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6724 states and 9055 transitions. [2022-07-21 11:10:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-21 11:10:33,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:33,728 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:33,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:10:33,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-21 11:10:33,961 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:33,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:33,961 INFO L85 PathProgramCache]: Analyzing trace with hash -66006893, now seen corresponding path program 1 times [2022-07-21 11:10:33,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:33,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823242295] [2022-07-21 11:10:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:33,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:10:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:10:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:10:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:10:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:10:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:10:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 11:10:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-07-21 11:10:34,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:34,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823242295] [2022-07-21 11:10:34,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823242295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:10:34,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:10:34,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:10:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306410548] [2022-07-21 11:10:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:10:34,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:10:34,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:10:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:10:34,174 INFO L87 Difference]: Start difference. First operand 6724 states and 9055 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:39,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:41,024 INFO L93 Difference]: Finished difference Result 15147 states and 21288 transitions. [2022-07-21 11:10:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 11:10:41,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 199 [2022-07-21 11:10:41,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:41,059 INFO L225 Difference]: With dead ends: 15147 [2022-07-21 11:10:41,059 INFO L226 Difference]: Without dead ends: 9351 [2022-07-21 11:10:41,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-07-21 11:10:41,075 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 3076 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 2447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 5768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2447 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:41,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 3349 Invalid, 5768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2447 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-21 11:10:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9351 states. [2022-07-21 11:10:41,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9351 to 6679. [2022-07-21 11:10:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 4900 states have (on average 1.2610204081632652) internal successors, (6179), 5009 states have internal predecessors, (6179), 1263 states have call successors, (1263), 458 states have call predecessors, (1263), 515 states have return successors, (1501), 1270 states have call predecessors, (1501), 1262 states have call successors, (1501) [2022-07-21 11:10:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 8943 transitions. [2022-07-21 11:10:41,680 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 8943 transitions. Word has length 199 [2022-07-21 11:10:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:41,681 INFO L495 AbstractCegarLoop]: Abstraction has 6679 states and 8943 transitions. [2022-07-21 11:10:41,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 8943 transitions. [2022-07-21 11:10:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-21 11:10:41,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:41,689 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:41,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 11:10:41,689 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:41,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:41,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1380573973, now seen corresponding path program 1 times [2022-07-21 11:10:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:41,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457186800] [2022-07-21 11:10:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:10:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:10:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:10:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:10:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:10:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:10:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 11:10:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-07-21 11:10:41,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:41,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457186800] [2022-07-21 11:10:41,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457186800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:10:41,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:10:41,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:10:41,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200544875] [2022-07-21 11:10:41,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:10:41,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:10:41,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:41,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:10:41,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:10:41,905 INFO L87 Difference]: Start difference. First operand 6679 states and 8943 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:49,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:49,103 INFO L93 Difference]: Finished difference Result 19925 states and 28167 transitions. [2022-07-21 11:10:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 11:10:49,103 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 199 [2022-07-21 11:10:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:49,155 INFO L225 Difference]: With dead ends: 19925 [2022-07-21 11:10:49,155 INFO L226 Difference]: Without dead ends: 14174 [2022-07-21 11:10:49,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-07-21 11:10:49,176 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 5056 mSDsluCounter, 2068 mSDsCounter, 0 mSdLazyCounter, 4001 mSolverCounterSat, 3418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 7419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3418 IncrementalHoareTripleChecker+Valid, 4001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:49,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5335 Valid, 3277 Invalid, 7419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3418 Valid, 4001 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 11:10:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14174 states. [2022-07-21 11:10:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14174 to 9613. [2022-07-21 11:10:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9613 states, 7035 states have (on average 1.2608386638237385) internal successors, (8870), 7190 states have internal predecessors, (8870), 1841 states have call successors, (1841), 655 states have call predecessors, (1841), 736 states have return successors, (2140), 1852 states have call predecessors, (2140), 1840 states have call successors, (2140) [2022-07-21 11:10:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9613 states to 9613 states and 12851 transitions. [2022-07-21 11:10:49,940 INFO L78 Accepts]: Start accepts. Automaton has 9613 states and 12851 transitions. Word has length 199 [2022-07-21 11:10:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:49,940 INFO L495 AbstractCegarLoop]: Abstraction has 9613 states and 12851 transitions. [2022-07-21 11:10:49,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 9613 states and 12851 transitions. [2022-07-21 11:10:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 11:10:49,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:49,951 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:49,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 11:10:49,951 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:49,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1706002734, now seen corresponding path program 1 times [2022-07-21 11:10:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:49,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946249966] [2022-07-21 11:10:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:49,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:10:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:10:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:10:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:10:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:10:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:10:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 11:10:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 11:10:50,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:50,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946249966] [2022-07-21 11:10:50,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946249966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:10:50,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:10:50,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:10:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411235456] [2022-07-21 11:10:50,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:10:50,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:10:50,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:10:50,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:10:50,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:10:50,264 INFO L87 Difference]: Start difference. First operand 9613 states and 12851 transitions. Second operand has 11 states, 11 states have (on average 12.090909090909092) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (21), 9 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:54,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:56,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:10:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:10:57,892 INFO L93 Difference]: Finished difference Result 22262 states and 31173 transitions. [2022-07-21 11:10:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:10:57,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.090909090909092) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (21), 9 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 190 [2022-07-21 11:10:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:10:57,958 INFO L225 Difference]: With dead ends: 22262 [2022-07-21 11:10:57,958 INFO L226 Difference]: Without dead ends: 13553 [2022-07-21 11:10:57,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:10:57,979 INFO L413 NwaCegarLoop]: 1034 mSDtfsCounter, 1484 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:10:57,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 3489 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1024 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-21 11:10:57,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13553 states. [2022-07-21 11:10:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13553 to 9625. [2022-07-21 11:10:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9625 states, 7047 states have (on average 1.2603944941109693) internal successors, (8882), 7202 states have internal predecessors, (8882), 1841 states have call successors, (1841), 655 states have call predecessors, (1841), 736 states have return successors, (2140), 1852 states have call predecessors, (2140), 1840 states have call successors, (2140) [2022-07-21 11:10:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9625 states to 9625 states and 12863 transitions. [2022-07-21 11:10:58,762 INFO L78 Accepts]: Start accepts. Automaton has 9625 states and 12863 transitions. Word has length 190 [2022-07-21 11:10:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:10:58,762 INFO L495 AbstractCegarLoop]: Abstraction has 9625 states and 12863 transitions. [2022-07-21 11:10:58,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.090909090909092) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (21), 9 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:10:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 9625 states and 12863 transitions. [2022-07-21 11:10:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-21 11:10:58,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:58,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:58,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 11:10:58,773 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1553975106, now seen corresponding path program 1 times [2022-07-21 11:10:58,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:10:58,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419675649] [2022-07-21 11:10:58,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:58,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:10:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:10:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 11:10:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:10:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:10:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:10:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:10:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:10:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:10:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:10:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:10:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 11:10:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:10:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:10:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 11:10:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:10:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-21 11:10:59,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:10:59,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419675649] [2022-07-21 11:10:59,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419675649] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:10:59,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273352227] [2022-07-21 11:10:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:10:59,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:10:59,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:10:59,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 11:10:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:10:59,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1621 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:10:59,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:10:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-21 11:10:59,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-21 11:11:00,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273352227] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:00,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:11:00,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2022-07-21 11:11:00,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128380575] [2022-07-21 11:11:00,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:00,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 11:11:00,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:11:00,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 11:11:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:11:00,094 INFO L87 Difference]: Start difference. First operand 9625 states and 12863 transitions. Second operand has 17 states, 17 states have (on average 9.823529411764707) internal successors, (167), 10 states have internal predecessors, (167), 2 states have call successors, (39), 9 states have call predecessors, (39), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 11:11:05,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:11:06,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:11:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:08,635 INFO L93 Difference]: Finished difference Result 22334 states and 31317 transitions. [2022-07-21 11:11:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 11:11:08,639 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.823529411764707) internal successors, (167), 10 states have internal predecessors, (167), 2 states have call successors, (39), 9 states have call predecessors, (39), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212 [2022-07-21 11:11:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:08,689 INFO L225 Difference]: With dead ends: 22334 [2022-07-21 11:11:08,689 INFO L226 Difference]: Without dead ends: 13589 [2022-07-21 11:11:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 462 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2022-07-21 11:11:08,714 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 1494 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 1030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 3935 SdHoareTripleChecker+Invalid, 5805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1030 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:08,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 3935 Invalid, 5805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1030 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-21 11:11:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13589 states. [2022-07-21 11:11:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13589 to 9661. [2022-07-21 11:11:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9661 states, 7083 states have (on average 1.2590710151065934) internal successors, (8918), 7238 states have internal predecessors, (8918), 1841 states have call successors, (1841), 655 states have call predecessors, (1841), 736 states have return successors, (2140), 1852 states have call predecessors, (2140), 1840 states have call successors, (2140) [2022-07-21 11:11:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9661 states to 9661 states and 12899 transitions. [2022-07-21 11:11:09,632 INFO L78 Accepts]: Start accepts. Automaton has 9661 states and 12899 transitions. Word has length 212 [2022-07-21 11:11:09,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:09,632 INFO L495 AbstractCegarLoop]: Abstraction has 9661 states and 12899 transitions. [2022-07-21 11:11:09,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.823529411764707) internal successors, (167), 10 states have internal predecessors, (167), 2 states have call successors, (39), 9 states have call predecessors, (39), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 11:11:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 9661 states and 12899 transitions. [2022-07-21 11:11:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-21 11:11:09,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:09,656 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:09,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:09,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:09,869 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:09,870 INFO L85 PathProgramCache]: Analyzing trace with hash 735339804, now seen corresponding path program 1 times [2022-07-21 11:11:09,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:11:09,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711419925] [2022-07-21 11:11:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:09,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:11:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:11:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:11:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:11:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:11:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:11:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:11:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:11:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:11:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:11:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:11:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:11:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 11:11:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:11:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:10,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:11:10,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711419925] [2022-07-21 11:11:10,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711419925] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:11:10,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121369891] [2022-07-21 11:11:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:11:10,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:11:10,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 11:11:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:11,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 11:11:11,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:11,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:11,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121369891] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:11,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:11:11,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 8] total 26 [2022-07-21 11:11:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621705293] [2022-07-21 11:11:11,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:11,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-21 11:11:11,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:11:11,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-21 11:11:11,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2022-07-21 11:11:11,650 INFO L87 Difference]: Start difference. First operand 9661 states and 12899 transitions. Second operand has 26 states, 26 states have (on average 7.115384615384615) internal successors, (185), 19 states have internal predecessors, (185), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:11:19,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:11:21,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:21,654 INFO L93 Difference]: Finished difference Result 22442 states and 31461 transitions. [2022-07-21 11:11:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 11:11:21,655 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.115384615384615) internal successors, (185), 19 states have internal predecessors, (185), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2022-07-21 11:11:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:21,697 INFO L225 Difference]: With dead ends: 22442 [2022-07-21 11:11:21,697 INFO L226 Difference]: Without dead ends: 13661 [2022-07-21 11:11:21,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=314, Invalid=1326, Unknown=0, NotChecked=0, Total=1640 [2022-07-21 11:11:21,717 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 963 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 6840 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 5035 SdHoareTripleChecker+Invalid, 7342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 6840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:21,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 5035 Invalid, 7342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 6840 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-21 11:11:21,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13661 states. [2022-07-21 11:11:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13661 to 9733. [2022-07-21 11:11:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9733 states, 7155 states have (on average 1.2564640111809924) internal successors, (8990), 7310 states have internal predecessors, (8990), 1841 states have call successors, (1841), 655 states have call predecessors, (1841), 736 states have return successors, (2140), 1852 states have call predecessors, (2140), 1840 states have call successors, (2140) [2022-07-21 11:11:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9733 states to 9733 states and 12971 transitions. [2022-07-21 11:11:22,533 INFO L78 Accepts]: Start accepts. Automaton has 9733 states and 12971 transitions. Word has length 213 [2022-07-21 11:11:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:22,547 INFO L495 AbstractCegarLoop]: Abstraction has 9733 states and 12971 transitions. [2022-07-21 11:11:22,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.115384615384615) internal successors, (185), 19 states have internal predecessors, (185), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:11:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9733 states and 12971 transitions. [2022-07-21 11:11:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-21 11:11:22,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:22,557 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:22,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-21 11:11:22,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:22,778 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:22,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:22,779 INFO L85 PathProgramCache]: Analyzing trace with hash 414472636, now seen corresponding path program 2 times [2022-07-21 11:11:22,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:11:22,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314447517] [2022-07-21 11:11:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:11:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:11:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:11:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:11:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:11:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:11:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:11:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:11:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:11:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 11:11:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:11:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 11:11:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:11:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:11:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:23,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:11:23,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314447517] [2022-07-21 11:11:23,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314447517] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:11:23,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003167513] [2022-07-21 11:11:23,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:11:23,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:23,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:11:23,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:11:23,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 11:11:25,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:11:25,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:11:25,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-21 11:11:25,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:25,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:26,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003167513] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:26,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:11:26,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 44 [2022-07-21 11:11:26,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887841103] [2022-07-21 11:11:26,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:26,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-07-21 11:11:26,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:11:26,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-07-21 11:11:26,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=1540, Unknown=0, NotChecked=0, Total=1892 [2022-07-21 11:11:26,075 INFO L87 Difference]: Start difference. First operand 9733 states and 12971 transitions. Second operand has 44 states, 44 states have (on average 4.613636363636363) internal successors, (203), 37 states have internal predecessors, (203), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:11:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:37,390 INFO L93 Difference]: Finished difference Result 22586 states and 31605 transitions. [2022-07-21 11:11:37,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 11:11:37,404 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.613636363636363) internal successors, (203), 37 states have internal predecessors, (203), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 219 [2022-07-21 11:11:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:37,480 INFO L225 Difference]: With dead ends: 22586 [2022-07-21 11:11:37,480 INFO L226 Difference]: Without dead ends: 13733 [2022-07-21 11:11:37,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=695, Invalid=3465, Unknown=0, NotChecked=0, Total=4160 [2022-07-21 11:11:37,503 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 1184 mSDsluCounter, 6450 mSDsCounter, 0 mSdLazyCounter, 11574 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 7479 SdHoareTripleChecker+Invalid, 12383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 11574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:37,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 7479 Invalid, 12383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 11574 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-21 11:11:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13733 states. [2022-07-21 11:11:38,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13733 to 9805. [2022-07-21 11:11:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9805 states, 7227 states have (on average 1.2539089525390896) internal successors, (9062), 7382 states have internal predecessors, (9062), 1841 states have call successors, (1841), 655 states have call predecessors, (1841), 736 states have return successors, (2140), 1852 states have call predecessors, (2140), 1840 states have call successors, (2140) [2022-07-21 11:11:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9805 states to 9805 states and 13043 transitions. [2022-07-21 11:11:38,313 INFO L78 Accepts]: Start accepts. Automaton has 9805 states and 13043 transitions. Word has length 219 [2022-07-21 11:11:38,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:38,313 INFO L495 AbstractCegarLoop]: Abstraction has 9805 states and 13043 transitions. [2022-07-21 11:11:38,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.613636363636363) internal successors, (203), 37 states have internal predecessors, (203), 2 states have call successors, (41), 9 states have call predecessors, (41), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:11:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 9805 states and 13043 transitions. [2022-07-21 11:11:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 11:11:38,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:38,322 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:38,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:38,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:38,548 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:38,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:38,548 INFO L85 PathProgramCache]: Analyzing trace with hash 116013690, now seen corresponding path program 2 times [2022-07-21 11:11:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:11:38,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759730163] [2022-07-21 11:11:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:38,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:11:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:11:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:11:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:11:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 11:11:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:11:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:11:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:11:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 11:11:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:11:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 11:11:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:11:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:11:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:11:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:11:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 11:11:38,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:11:38,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759730163] [2022-07-21 11:11:38,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759730163] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:11:38,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671392365] [2022-07-21 11:11:38,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:11:38,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:11:38,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:11:38,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:11:38,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 11:11:39,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:11:39,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:11:39,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-21 11:11:39,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:11:39,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-21 11:11:40,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671392365] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:40,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:11:40,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 12] total 33 [2022-07-21 11:11:40,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345524371] [2022-07-21 11:11:40,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:40,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-21 11:11:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:11:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-21 11:11:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2022-07-21 11:11:40,229 INFO L87 Difference]: Start difference. First operand 9805 states and 13043 transitions. Second operand has 33 states, 32 states have (on average 6.53125) internal successors, (209), 22 states have internal predecessors, (209), 6 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) [2022-07-21 11:11:52,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:11:57,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:57,589 INFO L93 Difference]: Finished difference Result 23022 states and 31523 transitions. [2022-07-21 11:11:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-07-21 11:11:57,589 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 6.53125) internal successors, (209), 22 states have internal predecessors, (209), 6 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) Word has length 208 [2022-07-21 11:11:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:57,632 INFO L225 Difference]: With dead ends: 23022 [2022-07-21 11:11:57,633 INFO L226 Difference]: Without dead ends: 14121 [2022-07-21 11:11:57,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=317, Invalid=3465, Unknown=0, NotChecked=0, Total=3782 [2022-07-21 11:11:57,653 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 2668 mSDsluCounter, 20380 mSDsCounter, 0 mSdLazyCounter, 25881 mSolverCounterSat, 1566 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 21895 SdHoareTripleChecker+Invalid, 27448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 25881 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:57,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 21895 Invalid, 27448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1566 Valid, 25881 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2022-07-21 11:11:57,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14121 states. [2022-07-21 11:11:58,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14121 to 12670. [2022-07-21 11:11:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12670 states, 9388 states have (on average 1.2609714529186196) internal successors, (11838), 9631 states have internal predecessors, (11838), 2299 states have call successors, (2299), 848 states have call predecessors, (2299), 982 states have return successors, (3066), 2281 states have call predecessors, (3066), 2298 states have call successors, (3066) [2022-07-21 11:11:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12670 states to 12670 states and 17203 transitions. [2022-07-21 11:11:58,773 INFO L78 Accepts]: Start accepts. Automaton has 12670 states and 17203 transitions. Word has length 208 [2022-07-21 11:11:58,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:58,774 INFO L495 AbstractCegarLoop]: Abstraction has 12670 states and 17203 transitions. [2022-07-21 11:11:58,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 6.53125) internal successors, (209), 22 states have internal predecessors, (209), 6 states have call successors, (47), 6 states have call predecessors, (47), 8 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) [2022-07-21 11:11:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12670 states and 17203 transitions. [2022-07-21 11:11:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-21 11:11:58,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:58,786 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:58,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:59,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-07-21 11:11:59,003 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:59,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:59,004 INFO L85 PathProgramCache]: Analyzing trace with hash 582112860, now seen corresponding path program 3 times [2022-07-21 11:11:59,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:11:59,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224266153] [2022-07-21 11:11:59,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:59,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:11:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:11:59,396 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:11:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:11:59,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 11:11:59,867 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:11:59,868 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:11:59,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 11:11:59,871 INFO L356 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:59,875 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:11:59,916 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,916 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,917 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,917 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,917 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,917 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,918 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,918 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,918 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,918 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,919 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,919 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,919 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,919 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-07-21 11:11:59,922 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-21 11:12:00,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:12:00 BoogieIcfgContainer [2022-07-21 11:12:00,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:12:00,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:12:00,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:12:00,058 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:12:00,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:08:18" (3/4) ... [2022-07-21 11:12:00,060 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:12:00,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:12:00,060 INFO L158 Benchmark]: Toolchain (without parser) took 224833.40ms. Allocated memory was 54.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 32.5MB in the beginning and 951.3MB in the end (delta: -918.9MB). Peak memory consumption was 800.2MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,061 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:12:00,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.91ms. Allocated memory was 54.5MB in the beginning and 102.8MB in the end (delta: 48.2MB). Free memory was 32.3MB in the beginning and 42.8MB in the end (delta: -10.5MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.77ms. Allocated memory is still 102.8MB. Free memory was 42.8MB in the beginning and 45.7MB in the end (delta: -2.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,063 INFO L158 Benchmark]: Boogie Preprocessor took 228.54ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 45.7MB in the beginning and 86.8MB in the end (delta: -41.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,063 INFO L158 Benchmark]: RCFGBuilder took 1906.44ms. Allocated memory was 144.7MB in the beginning and 243.3MB in the end (delta: 98.6MB). Free memory was 86.8MB in the beginning and 124.9MB in the end (delta: -38.1MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,064 INFO L158 Benchmark]: TraceAbstraction took 221190.70ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 123.8MB in the beginning and 951.3MB in the end (delta: -827.5MB). Peak memory consumption was 704.4MB. Max. memory is 16.1GB. [2022-07-21 11:12:00,064 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 1.8GB. Free memory is still 951.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:12:00,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1348.91ms. Allocated memory was 54.5MB in the beginning and 102.8MB in the end (delta: 48.2MB). Free memory was 32.3MB in the beginning and 42.8MB in the end (delta: -10.5MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.77ms. Allocated memory is still 102.8MB. Free memory was 42.8MB in the beginning and 45.7MB in the end (delta: -2.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.54ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 45.7MB in the beginning and 86.8MB in the end (delta: -41.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1906.44ms. Allocated memory was 144.7MB in the beginning and 243.3MB in the end (delta: 98.6MB). Free memory was 86.8MB in the beginning and 124.9MB in the end (delta: -38.1MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * TraceAbstraction took 221190.70ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 123.8MB in the beginning and 951.3MB in the end (delta: -827.5MB). Peak memory consumption was 704.4MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 1.8GB. Free memory is still 951.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5773, overapproximation of bitwiseAnd at line 5856. Possible FailurePath: [L5672] int LDV_IN_INTERRUPT = 1; [L5673] int ref_cnt ; [L5674] struct phy_device *dp83640_driver_group0 ; [L5675] int ldv_state_variable_1 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L5677] int ldv_state_variable_0 ; [L5717] static int chosen_phy = -1; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7260] int ldv_retval_0 ; [L7261] int ldv_retval_1 ; [L7590] Element set_impl[15] ; [L7591] int last_index = 0; [L7725] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50] [L7292] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=40, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7292] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}] [L7294] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=44, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7294] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7298] CALL ldv_initialize() [L7744] CALL ldv_set_init(LDV_SKBS) [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={39:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7744] RET ldv_set_init(LDV_SKBS) [L7298] RET ldv_initialize() [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___5=1] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7452] CALL, EXPR dp83640_init() [L7245] int tmp ; [L7247] CALL, EXPR phy_driver_register(& dp83640_driver) [L7899] return __VERIFIER_nondet_int(); [L7247] RET, EXPR phy_driver_register(& dp83640_driver) [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=0] [L7452] RET, EXPR dp83640_init() [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7456] CALL ldv_initialize_phy_driver_1() [L7266] void *tmp ; [L7267] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7269] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=2048, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7269] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}] [L7271] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=232, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7271] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}, tmp___0={0:0}] [L7456] RET ldv_initialize_phy_driver_1() [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: [L7392] case 7: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7393] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7394] CALL dp83640_ts_info(dp83640_driver_group0, ldvarg0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7227] struct dp83640_private *dp83640 ; [L7229] EXPR dev->priv [L7229] dp83640 = (struct dp83640_private *)dev->priv [L7230] info->so_timestamping = 69U [L7231] EXPR dp83640->clock [L7231] EXPR (dp83640->clock)->ptp_clock [L7231] CALL, EXPR ptp_clock_index((dp83640->clock)->ptp_clock) [L7913] return __VERIFIER_nondet_int(); [L7231] RET, EXPR ptp_clock_index((dp83640->clock)->ptp_clock) [L7231] info->phc_index = ptp_clock_index((dp83640->clock)->ptp_clock) [L7232] info->tx_types = 7U [L7233] info->rx_filters = 32761U [L7234] return (0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dev={0:0}, dev={0:0}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, info={0:0}, info={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7394] RET dp83640_ts_info(dp83640_driver_group0, ldvarg0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_ts_info(dp83640_driver_group0, ldvarg0)=0, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7395] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7398] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=7, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7381] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1] [L7382] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(type)=50, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640->hwts_rx_en=4294967302, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phydev={0:0}, phydev={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type=50, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L7180] CALL, EXPR is_status_frame(skb, type) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L6130] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5681] unsigned char *tmp ; VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L5683] CALL, EXPR skb_mac_header(skb) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] RET, EXPR skb_mac_header(skb) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={4294967317:103}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result={4294967317:103}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={4294967317:103}, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L6130] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(type)=50, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, h={4294967317:103}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={4294967317:103}, type=50, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(type)=50, \old(words = ((int )ests >> 6) & 3)=4294967315, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, h={4294967317:103}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={4294967317:103}, tmp___0=0, type=50, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L7180] RET, EXPR is_status_frame(skb, type) [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L7182] CALL decode_status_frame(dp83640, skb) [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L6492] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:55}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L6520] COND TRUE (unsigned int )len > 2U VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4294967314, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:55}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:55}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4294967304, words = ((int )ests >> 6) & 3=4294967315] [L6498] type = (unsigned int )type & 61440U VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:55}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:57}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:57}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6508] CALL decode_txts(dp83640, phy_txts) [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L6457] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7537] struct sk_buff *tmp ; VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, ldv_func_arg1={4294967297:2741}, ldv_func_arg1={4294967297:2741}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7539] CALL, EXPR ldv_skb_alloc() VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7728] void *skb ; [L7729] void *tmp___7 ; VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7731] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] EXPR, FCALL calloc(1UL, size) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(size)=248, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5623] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, cond=1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5623] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(size)=248, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5624] CALL, EXPR IS_ERR(p) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7494] bool tmp ; VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7496] CALL, EXPR ldv_is_err(ptr) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7692] return ((unsigned long )ptr > 2012UL); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7496] RET, EXPR ldv_is_err(ptr) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5624] RET, EXPR IS_ERR(p) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(size)=248, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5624] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, cond=1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5624] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(size)=248, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5625] return (p); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(size)=248, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7731] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7={-18446744073709551615:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7733] COND FALSE !(! skb) [L7736] CALL ldv_set_add(LDV_SKBS, skb) [L7604] int i ; [L7606] i = 0 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7607] COND TRUE 1 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7608] COND FALSE !(i < last_index) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7736] RET ldv_set_add(LDV_SKBS, skb) [L7737] return (skb); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7={-18446744073709551615:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7539] RET, EXPR ldv_skb_alloc() VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, ldv_func_arg1={4294967297:2741}, ldv_func_arg1={4294967297:2741}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, ldv_func_arg1={4294967297:2741}, ldv_func_arg1={4294967297:2741}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6457] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, descriptor={42:0}, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6473] CALL, EXPR phy2txts(phy_txts) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, p={39:57}, p->sec_hi=131072, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec=1, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, p={39:57}, p->sec_hi=131072, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec=1, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, p={39:57}, p->ns_hi=65536, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec=1, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, p={39:57}, p->ns_hi=65536, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec=1, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, \result=1000000001, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, p={39:57}, p={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec=1, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6473] RET, EXPR phy2txts(phy_txts) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, descriptor={42:0}, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy2txts(phy_txts)=1000000001, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6473] ns = phy2txts(phy_txts) [L6474] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, descriptor={42:0}, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={47:0}, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6475] CALL, EXPR ns_to_ktime(ns) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(ns)=1000000001, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(ns)=1000000001, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, unknown-#res!tv64-unknown=1000000001, words = ((int )ests >> 6) & 3=4294967315] [L6475] RET, EXPR ns_to_ktime(ns) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, descriptor={42:0}, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, ns_to_ktime(ns)=1000000001, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6476] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, descriptor={42:0}, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6477] return; [L6477] return; VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6508] RET decode_txts(dp83640, phy_txts) [L6509] size = 8 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:57}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:65}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phy_txts={39:57}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={39:65}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=14, type=4096, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7182] RET decode_status_frame(dp83640, skb) [L7183] CALL ldv_kfree_skb_18(skb) [L7585] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7751] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7634] COND TRUE 1 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7635] COND TRUE i < last_index VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7639] EXPR set_impl[i] VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, set_impl[i]={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7634] COND TRUE 1 VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7635] COND FALSE !(i < last_index) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7646] COND FALSE !(deleted_index != -1) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7751] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=1, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7585] RET ldv_skb_free(ldv_func_arg1) VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(type = (unsigned int )type & 61440U)=4294967304, \old(words = ((int )ests >> 6) & 3)=4294967315, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7183] RET ldv_kfree_skb_18(skb) [L7184] return (1); VAL [\old(ests = (unsigned int )type & 4095U)=4294967314, \old(last_index)=0, \old(ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns)=4294967303, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967310, \old(sec = (u32 )((int )p->sec_hi << 16) | sec)=4294967308, \old(type = (unsigned int )type & 61440U)=4294967304, \old(type)=50, \old(words = ((int )ests >> 6) & 3)=4294967315, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640={4294967297:49}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phydev={0:0}, phydev={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=1, type=50, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7382] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=0, tmp___4=6, tmp___5=1, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=1, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7444] CALL dp83640_exit() [L7254] CALL dp83640_free_clocks() [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6631] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={34:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, this={34:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L6660] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={34:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, this={34:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7254] RET dp83640_free_clocks() [L7255] FCALL phy_driver_unregister(& dp83640_driver) [L7444] RET dp83640_exit() [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=-2, ldvarg3={0:0}, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=-2, tmp___3=1, tmp___4=6, tmp___5=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7480] CALL ldv_check_final_state() [L7795] int tmp___7 ; [L7797] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7686] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7797] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7=0, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L7800] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967305:4294967296}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests = (unsigned int )type & 4095U=4095, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns=4294967303, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967308, sec = (u32 )((int )p->sec_hi << 16) | sec=4294967310, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type = (unsigned int )type & 61440U=4096, words = ((int )ests >> 6) & 3=4294967315] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 884 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 220.9s, OverallIterations: 25, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, AutomataDifference: 186.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 48715 SdHoareTripleChecker+Valid, 159.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45866 mSDsluCounter, 146933 SdHoareTripleChecker+Invalid, 143.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118367 mSDsCounter, 27311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158018 IncrementalHoareTripleChecker+Invalid, 185331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27311 mSolverCounterUnsat, 28566 mSDtfsCounter, 158018 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4296 GetRequests, 3667 SyntacticMatches, 13 SemanticMatches, 616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7872 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12670occurred in iteration=24, InterpolantAutomatonStates: 428, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 42368 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 5721 NumberOfCodeBlocks, 5721 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 6850 ConstructedInterpolants, 0 QuantifiedInterpolants, 19107 SizeOfPredicates, 67 NumberOfNonLiveVariables, 12600 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 39 InterpolantComputations, 18 PerfectInterpolantSequences, 2532/2812 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 11:12:00,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:12:01,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:12:01,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:12:01,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:12:01,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:12:01,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:12:01,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:12:01,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:12:01,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:12:01,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:12:01,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:12:01,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:12:01,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:12:01,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:12:01,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:12:02,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:12:02,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:12:02,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:12:02,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:12:02,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:12:02,008 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:12:02,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:12:02,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:12:02,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:12:02,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:12:02,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:12:02,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:12:02,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:12:02,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:12:02,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:12:02,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:12:02,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:12:02,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:12:02,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:12:02,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:12:02,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:12:02,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:12:02,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:12:02,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:12:02,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:12:02,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:12:02,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:12:02,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:12:02,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:12:02,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:12:02,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:12:02,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:12:02,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:12:02,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:12:02,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:12:02,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:12:02,059 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:12:02,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:12:02,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:12:02,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:12:02,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:12:02,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:12:02,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:12:02,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:12:02,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:12:02,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:12:02,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:12:02,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:12:02,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:12:02,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:12:02,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:12:02,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:12:02,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:12:02,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:12:02,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:12:02,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:12:02,068 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-07-21 11:12:02,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:12:02,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:12:02,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:12:02,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:12:02,350 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:12:02,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-07-21 11:12:02,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17da28f41/59bc0343c1d345f2a21b9d1b63db2fee/FLAG4fb615950 [2022-07-21 11:12:03,023 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:12:03,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-07-21 11:12:03,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17da28f41/59bc0343c1d345f2a21b9d1b63db2fee/FLAG4fb615950 [2022-07-21 11:12:03,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17da28f41/59bc0343c1d345f2a21b9d1b63db2fee [2022-07-21 11:12:03,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:12:03,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:12:03,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:12:03,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:12:03,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:12:03,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:12:03" (1/1) ... [2022-07-21 11:12:03,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348c274d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:12:03, skipping insertion in model container [2022-07-21 11:12:03,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:12:03" (1/1) ... [2022-07-21 11:12:03,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:12:03,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:12:04,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-07-21 11:12:04,425 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1000) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1454) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 11:12:04,432 INFO L158 Benchmark]: Toolchain (without parser) took 1038.03ms. Allocated memory was 52.4MB in the beginning and 92.3MB in the end (delta: 39.8MB). Free memory was 29.7MB in the beginning and 56.3MB in the end (delta: -26.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-21 11:12:04,433 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:12:04,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.15ms. Allocated memory was 52.4MB in the beginning and 92.3MB in the end (delta: 39.8MB). Free memory was 29.6MB in the beginning and 56.3MB in the end (delta: -26.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-21 11:12:04,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1035.15ms. Allocated memory was 52.4MB in the beginning and 92.3MB in the end (delta: 39.8MB). Free memory was 29.6MB in the beginning and 56.3MB in the end (delta: -26.8MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type