./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.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 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:14:04,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:14:04,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:14:04,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:14:04,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:14:04,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:14:04,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:14:04,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:14:04,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:14:04,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:14:04,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:14:04,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:14:04,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:14:04,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:14:04,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:14:04,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:14:04,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:14:04,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:14:04,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:14:04,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:14:04,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:14:04,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:14:04,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:14:04,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:14:04,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:14:04,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:14:04,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:14:04,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:14:04,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:14:04,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:14:04,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:14:04,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:14:04,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:14:04,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:14:04,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:14:04,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:14:04,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:14:04,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:14:04,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:14:04,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:14:04,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:14:04,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:14:04,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:14:04,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:14:04,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:14:04,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:14:04,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:14:04,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:14:04,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:14:04,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:14:04,236 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:14:04,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:14:04,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:14:04,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:14:04,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:14:04,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:14:04,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:14:04,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:14:04,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:04,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:14:04,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:14:04,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:14:04,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:14:04,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:14:04,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:14:04,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:14:04,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:14:04,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:14:04,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2021-12-14 18:14:04,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:14:04,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:14:04,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:14:04,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:14:04,467 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:14:04,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-14 18:14:04,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a0a7ca4/54a4a950fcbc4ce4a28892004313b026/FLAG306856160 [2021-12-14 18:14:05,250 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:14:05,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-14 18:14:05,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a0a7ca4/54a4a950fcbc4ce4a28892004313b026/FLAG306856160 [2021-12-14 18:14:05,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a0a7ca4/54a4a950fcbc4ce4a28892004313b026 [2021-12-14 18:14:05,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:14:05,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:14:05,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:05,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:14:05,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:14:05,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:05" (1/1) ... [2021-12-14 18:14:05,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786e5047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:05, skipping insertion in model container [2021-12-14 18:14:05,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:05" (1/1) ... [2021-12-14 18:14:05,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:14:05,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:14:08,437 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2021-12-14 18:14:08,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:08,508 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:14:08,929 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2021-12-14 18:14:08,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:09,099 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:14:09,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09 WrapperNode [2021-12-14 18:14:09,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:09,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:09,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:14:09,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:14:09,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,365 INFO L137 Inliner]: procedures = 490, calls = 4671, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7284 [2021-12-14 18:14:09,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:09,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:14:09,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:14:09,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:14:09,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:14:09,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:14:09,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:14:09,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:14:09,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (1/1) ... [2021-12-14 18:14:09,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:09,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:14:09,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:14:09,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:14:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-14 18:14:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-14 18:14:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2021-12-14 18:14:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2021-12-14 18:14:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:14:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:14:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-14 18:14:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-14 18:14:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2021-12-14 18:14:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2021-12-14 18:14:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:14:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:14:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:14:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:14:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2021-12-14 18:14:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2021-12-14 18:14:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2021-12-14 18:14:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2021-12-14 18:14:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 18:14:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 18:14:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:14:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:14:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:14:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:14:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2021-12-14 18:14:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2021-12-14 18:14:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2021-12-14 18:14:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2021-12-14 18:14:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-14 18:14:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-14 18:14:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:14:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2021-12-14 18:14:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2021-12-14 18:14:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:14:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:14:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:14:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:14:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2021-12-14 18:14:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2021-12-14 18:14:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-14 18:14:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-14 18:14:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:14:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2021-12-14 18:14:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2021-12-14 18:14:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:14:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:14:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2021-12-14 18:14:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2021-12-14 18:14:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2021-12-14 18:14:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2021-12-14 18:14:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2021-12-14 18:14:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:14:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:14:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:14:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:14:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2021-12-14 18:14:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2021-12-14 18:14:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-14 18:14:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-14 18:14:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2021-12-14 18:14:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2021-12-14 18:14:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:14:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2021-12-14 18:14:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2021-12-14 18:14:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2021-12-14 18:14:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2021-12-14 18:14:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:14:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:14:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2021-12-14 18:14:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2021-12-14 18:14:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:14:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:14:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2021-12-14 18:14:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2021-12-14 18:14:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2021-12-14 18:14:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2021-12-14 18:14:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2021-12-14 18:14:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-14 18:14:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-14 18:14:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2021-12-14 18:14:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2021-12-14 18:14:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2021-12-14 18:14:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2021-12-14 18:14:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2021-12-14 18:14:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2021-12-14 18:14:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:14:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:14:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2021-12-14 18:14:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2021-12-14 18:14:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:14:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-14 18:14:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-14 18:14:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-14 18:14:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-14 18:14:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:14:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2021-12-14 18:14:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2021-12-14 18:14:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:14:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:14:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:14:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-14 18:14:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-14 18:14:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2021-12-14 18:14:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2021-12-14 18:14:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2021-12-14 18:14:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2021-12-14 18:14:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:14:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:14:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2021-12-14 18:14:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2021-12-14 18:14:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2021-12-14 18:14:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2021-12-14 18:14:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:14:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:14:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2021-12-14 18:14:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2021-12-14 18:14:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2021-12-14 18:14:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2021-12-14 18:14:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2021-12-14 18:14:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2021-12-14 18:14:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2021-12-14 18:14:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2021-12-14 18:14:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2021-12-14 18:14:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2021-12-14 18:14:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-14 18:14:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-14 18:14:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:14:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:14:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2021-12-14 18:14:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2021-12-14 18:14:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:14:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2021-12-14 18:14:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2021-12-14 18:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:14:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2021-12-14 18:14:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2021-12-14 18:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:14:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:14:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2021-12-14 18:14:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2021-12-14 18:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:14:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2021-12-14 18:14:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2021-12-14 18:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-14 18:14:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-14 18:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:14:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2021-12-14 18:14:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-14 18:14:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-14 18:14:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-14 18:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2021-12-14 18:14:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2021-12-14 18:14:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-14 18:14:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-14 18:14:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-14 18:14:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-14 18:14:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2021-12-14 18:14:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2021-12-14 18:14:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2021-12-14 18:14:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2021-12-14 18:14:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:14:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:14:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2021-12-14 18:14:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2021-12-14 18:14:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:14:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:14:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2021-12-14 18:14:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2021-12-14 18:14:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-14 18:14:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-14 18:14:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:14:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:14:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2021-12-14 18:14:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2021-12-14 18:14:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 18:14:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 18:14:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:14:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:14:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2021-12-14 18:14:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2021-12-14 18:14:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2021-12-14 18:14:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2021-12-14 18:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2021-12-14 18:14:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2021-12-14 18:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2021-12-14 18:14:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2021-12-14 18:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:14:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:14:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 18:14:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-14 18:14:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:14:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2021-12-14 18:14:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:14:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2021-12-14 18:14:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2021-12-14 18:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-14 18:14:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-14 18:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2021-12-14 18:14:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2021-12-14 18:14:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:14:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:14:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2021-12-14 18:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2021-12-14 18:14:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2021-12-14 18:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2021-12-14 18:14:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:14:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:14:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-14 18:14:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-14 18:14:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2021-12-14 18:14:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2021-12-14 18:14:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2021-12-14 18:14:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2021-12-14 18:14:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2021-12-14 18:14:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2021-12-14 18:14:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2021-12-14 18:14:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2021-12-14 18:14:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:14:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:14:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2021-12-14 18:14:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2021-12-14 18:14:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2021-12-14 18:14:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2021-12-14 18:14:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2021-12-14 18:14:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2021-12-14 18:14:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2021-12-14 18:14:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2021-12-14 18:14:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2021-12-14 18:14:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2021-12-14 18:14:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:14:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:14:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2021-12-14 18:14:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2021-12-14 18:14:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2021-12-14 18:14:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2021-12-14 18:14:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:14:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:14:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2021-12-14 18:14:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2021-12-14 18:14:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:14:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:14:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2021-12-14 18:14:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2021-12-14 18:14:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:14:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:14:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:14:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-14 18:14:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-14 18:14:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 18:14:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 18:14:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:14:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:14:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2021-12-14 18:14:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2021-12-14 18:14:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2021-12-14 18:14:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2021-12-14 18:14:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2021-12-14 18:14:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2021-12-14 18:14:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:14:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:14:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2021-12-14 18:14:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2021-12-14 18:14:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2021-12-14 18:14:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2021-12-14 18:14:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2021-12-14 18:14:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2021-12-14 18:14:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2021-12-14 18:14:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2021-12-14 18:14:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2021-12-14 18:14:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2021-12-14 18:14:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2021-12-14 18:14:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:14:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:14:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-14 18:14:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-14 18:14:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:14:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:14:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2021-12-14 18:14:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2021-12-14 18:14:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2021-12-14 18:14:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2021-12-14 18:14:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:14:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:14:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:14:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-14 18:14:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-14 18:14:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2021-12-14 18:14:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2021-12-14 18:14:10,408 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:14:10,411 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:14:10,985 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:14:18,159 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:14:18,178 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:14:18,178 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:14:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:18 BoogieIcfgContainer [2021-12-14 18:14:18,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:14:18,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:14:18,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:14:18,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:14:18,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:14:05" (1/3) ... [2021-12-14 18:14:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22584972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:18, skipping insertion in model container [2021-12-14 18:14:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:09" (2/3) ... [2021-12-14 18:14:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22584972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:18, skipping insertion in model container [2021-12-14 18:14:18,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:18" (3/3) ... [2021-12-14 18:14:18,189 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-14 18:14:18,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:14:18,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:14:18,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:14:18,240 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:14:18,241 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:14:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 2694 states, 1836 states have (on average 1.3600217864923747) internal successors, (2497), 1890 states have internal predecessors, (2497), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) [2021-12-14 18:14:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-14 18:14:18,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:18,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:14:18,299 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash 919352225, now seen corresponding path program 1 times [2021-12-14 18:14:18,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:18,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080079732] [2021-12-14 18:14:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:18,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 18:14:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:14:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 18:14:18,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:18,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080079732] [2021-12-14 18:14:18,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080079732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:18,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:18,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:14:18,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249812826] [2021-12-14 18:14:18,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:18,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:14:18,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:18,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:14:18,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:14:18,984 INFO L87 Difference]: Start difference. First operand has 2694 states, 1836 states have (on average 1.3600217864923747) internal successors, (2497), 1890 states have internal predecessors, (2497), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-14 18:14:22,017 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 [] [2021-12-14 18:14:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:14:25,556 INFO L93 Difference]: Finished difference Result 6003 states and 9011 transitions. [2021-12-14 18:14:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:14:25,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2021-12-14 18:14:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:14:25,594 INFO L225 Difference]: With dead ends: 6003 [2021-12-14 18:14:25,594 INFO L226 Difference]: Without dead ends: 3273 [2021-12-14 18:14:25,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:14:25,623 INFO L933 BasicCegarLoop]: 3965 mSDtfsCounter, 4107 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 1305 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 6625 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1305 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:14:25,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4475 Valid, 6625 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1305 Valid, 1112 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-12-14 18:14:25,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2021-12-14 18:14:25,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2909. [2021-12-14 18:14:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 1991 states have (on average 1.3470617780010046) internal successors, (2682), 2033 states have internal predecessors, (2682), 740 states have call successors, (740), 178 states have call predecessors, (740), 177 states have return successors, (739), 726 states have call predecessors, (739), 739 states have call successors, (739) [2021-12-14 18:14:25,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4161 transitions. [2021-12-14 18:14:25,827 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4161 transitions. Word has length 57 [2021-12-14 18:14:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:14:25,830 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 4161 transitions. [2021-12-14 18:14:25,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-14 18:14:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4161 transitions. [2021-12-14 18:14:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-14 18:14:25,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:25,850 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-14 18:14:25,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:14:25,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1907866497, now seen corresponding path program 1 times [2021-12-14 18:14:25,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:25,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112011830] [2021-12-14 18:14:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:25,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 18:14:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 18:14:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 18:14:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:14:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 18:14:26,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112011830] [2021-12-14 18:14:26,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112011830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:26,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:26,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:14:26,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772473932] [2021-12-14 18:14:26,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:26,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:14:26,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:14:26,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:14:26,180 INFO L87 Difference]: Start difference. First operand 2909 states and 4161 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-14 18:14:31,061 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 [] [2021-12-14 18:14:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:14:44,205 INFO L93 Difference]: Finished difference Result 6744 states and 9984 transitions. [2021-12-14 18:14:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 18:14:44,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 74 [2021-12-14 18:14:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:14:44,226 INFO L225 Difference]: With dead ends: 6744 [2021-12-14 18:14:44,227 INFO L226 Difference]: Without dead ends: 3841 [2021-12-14 18:14:44,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-14 18:14:44,241 INFO L933 BasicCegarLoop]: 3563 mSDtfsCounter, 2515 mSDsluCounter, 17059 mSDsCounter, 0 mSdLazyCounter, 9462 mSolverCounterSat, 2202 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 20622 SdHoareTripleChecker+Invalid, 11665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2202 IncrementalHoareTripleChecker+Valid, 9462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:14:44,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2904 Valid, 20622 Invalid, 11665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2202 Valid, 9462 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2021-12-14 18:14:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2021-12-14 18:14:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 2916. [2021-12-14 18:14:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1996 states have (on average 1.3461923847695392) internal successors, (2687), 2038 states have internal predecessors, (2687), 740 states have call successors, (740), 178 states have call predecessors, (740), 179 states have return successors, (744), 728 states have call predecessors, (744), 739 states have call successors, (744) [2021-12-14 18:14:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4171 transitions. [2021-12-14 18:14:44,339 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4171 transitions. Word has length 74 [2021-12-14 18:14:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:14:44,340 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 4171 transitions. [2021-12-14 18:14:44,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-14 18:14:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4171 transitions. [2021-12-14 18:14:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-14 18:14:44,347 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:44,348 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-14 18:14:44,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:14:44,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:44,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:44,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1626018516, now seen corresponding path program 1 times [2021-12-14 18:14:44,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:44,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460946616] [2021-12-14 18:14:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:44,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:14:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-14 18:14:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 18:14:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-14 18:14:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 18:14:44,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:44,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460946616] [2021-12-14 18:14:44,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460946616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:44,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:44,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:14:44,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458945858] [2021-12-14 18:14:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:44,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:14:44,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:14:44,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:14:44,748 INFO L87 Difference]: Start difference. First operand 2916 states and 4171 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-14 18:14:49,493 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 [] [2021-12-14 18:14:51,588 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 [] [2021-12-14 18:15:03,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:03,179 INFO L93 Difference]: Finished difference Result 6748 states and 9983 transitions. [2021-12-14 18:15:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 18:15:03,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 81 [2021-12-14 18:15:03,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:03,202 INFO L225 Difference]: With dead ends: 6748 [2021-12-14 18:15:03,202 INFO L226 Difference]: Without dead ends: 3838 [2021-12-14 18:15:03,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-12-14 18:15:03,213 INFO L933 BasicCegarLoop]: 3588 mSDtfsCounter, 2494 mSDsluCounter, 17184 mSDsCounter, 0 mSdLazyCounter, 9437 mSolverCounterSat, 2192 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 20772 SdHoareTripleChecker+Invalid, 11630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2192 IncrementalHoareTripleChecker+Valid, 9437 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:03,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2885 Valid, 20772 Invalid, 11630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2192 Valid, 9437 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2021-12-14 18:15:03,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-12-14 18:15:03,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2918. [2021-12-14 18:15:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 1998 states have (on average 1.3458458458458458) internal successors, (2689), 2039 states have internal predecessors, (2689), 740 states have call successors, (740), 178 states have call predecessors, (740), 179 states have return successors, (744), 729 states have call predecessors, (744), 739 states have call successors, (744) [2021-12-14 18:15:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4173 transitions. [2021-12-14 18:15:03,297 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4173 transitions. Word has length 81 [2021-12-14 18:15:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:03,297 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 4173 transitions. [2021-12-14 18:15:03,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-14 18:15:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4173 transitions. [2021-12-14 18:15:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-14 18:15:03,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:03,306 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-14 18:15:03,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:15:03,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1630873535, now seen corresponding path program 1 times [2021-12-14 18:15:03,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:03,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995756496] [2021-12-14 18:15:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:03,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-14 18:15:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 18:15:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:15:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 18:15:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 18:15:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:15:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 18:15:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-14 18:15:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:03,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995756496] [2021-12-14 18:15:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995756496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:03,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:03,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 18:15:03,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579645504] [2021-12-14 18:15:03,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:03,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 18:15:03,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:03,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 18:15:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:15:03,594 INFO L87 Difference]: Start difference. First operand 2918 states and 4173 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)