./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-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.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 c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 07:30:47,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 07:30:47,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 07:30:47,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 07:30:47,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 07:30:47,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 07:30:47,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 07:30:47,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 07:30:47,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 07:30:47,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 07:30:47,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 07:30:47,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 07:30:47,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 07:30:47,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 07:30:47,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 07:30:47,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 07:30:47,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 07:30:47,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 07:30:47,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 07:30:47,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 07:30:47,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 07:30:47,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 07:30:47,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 07:30:47,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 07:30:47,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 07:30:47,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 07:30:47,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 07:30:47,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 07:30:47,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 07:30:47,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 07:30:47,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 07:30:47,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 07:30:47,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 07:30:47,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 07:30:47,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 07:30:47,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 07:30:47,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 07:30:47,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 07:30:47,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 07:30:47,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 07:30:47,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 07:30:47,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 07:30:47,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 07:30:47,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 07:30:47,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 07:30:47,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 07:30:47,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 07:30:47,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 07:30:47,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 07:30:47,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 07:30:47,366 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 07:30:47,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 07:30:47,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 07:30:47,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 07:30:47,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 07:30:47,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 07:30:47,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 07:30:47,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 07:30:47,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:30:47,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 07:30:47,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 07:30:47,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 07:30:47,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 07:30:47,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb [2021-12-18 07:30:47,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 07:30:47,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 07:30:47,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 07:30:47,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 07:30:47,617 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 07:30:47,618 INFO L432 ainManager$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-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 07:30:47,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15f1054/3e5b20109a8c4664aab1fbba901721df/FLAGb385169cd [2021-12-18 07:30:48,578 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 07:30:48,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 07:30:48,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15f1054/3e5b20109a8c4664aab1fbba901721df/FLAGb385169cd [2021-12-18 07:30:48,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15f1054/3e5b20109a8c4664aab1fbba901721df [2021-12-18 07:30:48,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 07:30:48,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 07:30:48,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 07:30:48,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 07:30:48,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 07:30:48,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:30:48" (1/1) ... [2021-12-18 07:30:48,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381b9624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:48, skipping insertion in model container [2021-12-18 07:30:48,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:30:48" (1/1) ... [2021-12-18 07:30:49,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 07:30:49,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 07:30:55,547 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-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2021-12-18 07:30:55,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:30:56,039 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 07:30:56,526 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-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2021-12-18 07:30:56,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:30:56,925 INFO L208 MainTranslator]: Completed translation [2021-12-18 07:30:56,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56 WrapperNode [2021-12-18 07:30:56,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 07:30:56,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 07:30:56,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 07:30:56,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 07:30:56,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:57,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:57,755 INFO L137 Inliner]: procedures = 748, calls = 8905, calls flagged for inlining = 319, calls inlined = 304, statements flattened = 16042 [2021-12-18 07:30:57,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 07:30:57,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 07:30:57,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 07:30:57,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 07:30:57,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:57,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:57,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:57,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:58,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:58,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:58,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:58,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 07:30:58,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 07:30:58,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 07:30:58,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 07:30:58,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (1/1) ... [2021-12-18 07:30:58,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:30:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 07:30:58,534 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) [2021-12-18 07:30:58,544 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 [2021-12-18 07:30:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 07:30:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 07:30:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 07:30:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 07:30:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-12-18 07:30:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-12-18 07:30:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-12-18 07:30:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-12-18 07:30:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-12-18 07:30:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-12-18 07:30:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 07:30:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 07:30:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 07:30:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 07:30:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-18 07:30:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-18 07:30:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-12-18 07:30:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-12-18 07:30:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-12-18 07:30:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-12-18 07:30:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 07:30:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 07:30:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-18 07:30:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-18 07:30:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-12-18 07:30:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-12-18 07:30:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-18 07:30:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-18 07:30:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-12-18 07:30:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-12-18 07:30:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-12-18 07:30:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-12-18 07:30:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-12-18 07:30:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-12-18 07:30:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-12-18 07:30:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-12-18 07:30:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-12-18 07:30:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-12-18 07:30:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-12-18 07:30:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-12-18 07:30:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-18 07:30:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-18 07:30:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 07:30:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 07:30:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-12-18 07:30:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-12-18 07:30:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-12-18 07:30:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-12-18 07:30:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-12-18 07:30:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-12-18 07:30:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 07:30:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-12-18 07:30:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-12-18 07:30:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-18 07:30:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-18 07:30:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-12-18 07:30:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-12-18 07:30:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 07:30:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 07:30:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-12-18 07:30:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-12-18 07:30:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 07:30:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 07:30:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 07:30:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-12-18 07:30:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-12-18 07:30:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 07:30:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 07:30:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-12-18 07:30:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-12-18 07:30:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-12-18 07:30:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-12-18 07:30:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-12-18 07:30:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-12-18 07:30:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-12-18 07:30:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-12-18 07:30:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-18 07:30:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-18 07:30:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 07:30:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 07:30:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-12-18 07:30:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-12-18 07:30:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-18 07:30:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-18 07:30:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 07:30:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 07:30:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 07:30:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 07:30:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-18 07:30:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-18 07:30:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-12-18 07:30:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-12-18 07:30:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2021-12-18 07:30:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2021-12-18 07:30:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2021-12-18 07:30:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2021-12-18 07:30:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-12-18 07:30:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-12-18 07:30:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 07:30:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-12-18 07:30:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-12-18 07:30:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-12-18 07:30:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-12-18 07:30:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-12-18 07:30:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-12-18 07:30:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-12-18 07:30:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-12-18 07:30:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-12-18 07:30:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-12-18 07:30:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-12-18 07:30:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-12-18 07:30:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 07:30:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 07:30:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-12-18 07:30:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-12-18 07:30:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 07:30:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 07:30:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-12-18 07:30:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-12-18 07:30:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-18 07:30:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-18 07:30:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-12-18 07:30:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-12-18 07:30:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-12-18 07:30:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-12-18 07:30:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-18 07:30:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-18 07:30:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-12-18 07:30:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-12-18 07:30:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 07:30:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 07:30:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 07:30:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 07:30:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 07:30:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-12-18 07:30:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-12-18 07:30:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-12-18 07:30:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-12-18 07:30:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 07:30:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 07:30:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-12-18 07:30:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-12-18 07:30:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-12-18 07:30:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-12-18 07:30:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 07:30:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 07:30:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 07:30:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-12-18 07:30:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-12-18 07:30:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 07:30:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-12-18 07:30:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-12-18 07:30:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 07:30:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 07:30:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 07:30:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 07:30:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 07:30:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-12-18 07:30:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-12-18 07:30:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-12-18 07:30:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-12-18 07:30:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 07:30:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 07:30:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-12-18 07:30:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-12-18 07:30:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 07:30:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 07:30:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-12-18 07:30:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-12-18 07:30:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-12-18 07:30:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-12-18 07:30:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-12-18 07:30:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-12-18 07:30:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-12-18 07:30:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-12-18 07:30:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 07:30:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 07:30:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-12-18 07:30:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-12-18 07:30:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-12-18 07:30:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-12-18 07:30:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-12-18 07:30:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-12-18 07:30:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-12-18 07:30:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-12-18 07:30:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-12-18 07:30:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-12-18 07:30:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-12-18 07:30:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-12-18 07:30:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 07:30:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 07:30:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 07:30:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 07:30:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-12-18 07:30:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-12-18 07:30:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 07:30:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 07:30:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-12-18 07:30:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-12-18 07:30:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-12-18 07:30:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-12-18 07:30:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-18 07:30:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-18 07:30:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-12-18 07:30:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-12-18 07:30:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 07:30:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 07:30:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 07:30:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 07:30:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-12-18 07:30:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-12-18 07:30:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 07:30:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 07:30:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-12-18 07:30:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-12-18 07:30:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-12-18 07:30:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-12-18 07:30:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 07:30:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 07:30:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-18 07:30:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-18 07:30:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-12-18 07:30:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-12-18 07:30:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 07:30:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 07:30:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 07:30:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 07:30:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-12-18 07:30:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-12-18 07:30:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-12-18 07:30:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-12-18 07:30:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-12-18 07:30:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-12-18 07:30:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-18 07:30:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-18 07:30:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 07:30:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 07:30:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-12-18 07:30:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-12-18 07:30:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 07:30:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 07:30:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 07:30:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 07:30:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2021-12-18 07:30:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2021-12-18 07:30:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-12-18 07:30:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-12-18 07:30:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-18 07:30:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-18 07:30:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 07:30:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 07:30:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-12-18 07:30:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-12-18 07:30:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-12-18 07:30:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-12-18 07:30:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-12-18 07:30:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-12-18 07:30:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-12-18 07:30:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-12-18 07:30:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-12-18 07:30:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-12-18 07:30:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-18 07:30:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-18 07:30:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-12-18 07:30:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-12-18 07:30:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 07:30:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 07:30:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-18 07:30:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-18 07:30:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 07:30:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 07:30:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-18 07:30:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-18 07:30:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-12-18 07:30:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-12-18 07:30:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 07:30:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 07:30:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 07:30:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 07:30:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-12-18 07:30:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-12-18 07:30:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-12-18 07:30:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-12-18 07:30:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 07:30:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 07:30:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 07:30:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 07:30:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 07:30:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 07:30:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 07:30:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 07:30:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 07:30:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 07:30:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 07:30:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-12-18 07:30:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-12-18 07:30:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-12-18 07:30:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-12-18 07:30:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-12-18 07:30:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-12-18 07:30:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 07:30:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-18 07:30:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-18 07:30:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-18 07:30:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-18 07:30:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-12-18 07:30:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-12-18 07:30:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 07:30:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-12-18 07:30:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-12-18 07:30:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-18 07:30:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-18 07:30:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 07:30:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 07:30:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 07:30:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 07:30:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 07:30:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 07:30:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-18 07:30:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-18 07:30:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 07:30:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 07:30:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2021-12-18 07:30:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2021-12-18 07:30:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-12-18 07:30:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-12-18 07:30:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-12-18 07:30:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-12-18 07:30:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 07:30:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 07:30:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 07:30:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 07:30:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 07:30:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 07:30:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-12-18 07:30:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-12-18 07:30:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 07:30:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 07:30:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 07:30:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 07:30:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-12-18 07:30:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-12-18 07:30:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-12-18 07:30:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-12-18 07:30:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-12-18 07:30:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-12-18 07:30:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-18 07:30:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-18 07:30:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-12-18 07:30:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-12-18 07:30:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-12-18 07:30:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-12-18 07:30:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-12-18 07:30:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-12-18 07:30:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 07:30:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 07:30:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 07:30:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 07:30:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-12-18 07:30:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-12-18 07:30:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-18 07:30:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-18 07:30:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 07:30:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 07:30:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-18 07:30:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-18 07:30:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-12-18 07:30:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-12-18 07:30:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 07:30:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-12-18 07:30:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-12-18 07:30:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-12-18 07:30:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-12-18 07:30:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 07:30:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 07:30:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 07:30:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 07:30:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags___0 [2021-12-18 07:30:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags___0 [2021-12-18 07:30:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-12-18 07:30:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-12-18 07:30:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-12-18 07:30:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-12-18 07:30:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-12-18 07:30:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-12-18 07:30:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 07:30:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 07:30:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-12-18 07:30:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-12-18 07:30:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-12-18 07:30:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-12-18 07:30:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-12-18 07:30:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-12-18 07:30:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-12-18 07:30:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-12-18 07:30:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 07:30:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 07:30:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-18 07:30:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-18 07:30:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-12-18 07:30:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-12-18 07:30:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_zd_chip [2021-12-18 07:30:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_zd_chip [2021-12-18 07:30:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2021-12-18 07:30:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2021-12-18 07:30:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_zd_chip [2021-12-18 07:30:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_zd_chip [2021-12-18 07:30:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-12-18 07:30:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-12-18 07:30:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2021-12-18 07:30:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2021-12-18 07:30:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-18 07:30:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-18 07:30:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2021-12-18 07:30:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2021-12-18 07:30:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 07:30:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 07:30:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-18 07:30:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-18 07:30:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-12-18 07:30:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-12-18 07:30:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 07:30:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 07:30:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-12-18 07:30:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-12-18 07:30:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-18 07:30:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-18 07:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 07:30:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 07:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-12-18 07:30:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-12-18 07:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-12-18 07:30:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-12-18 07:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-12-18 07:30:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-12-18 07:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-12-18 07:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-12-18 07:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 07:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-12-18 07:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-12-18 07:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 07:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 07:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-12-18 07:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-12-18 07:30:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 07:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 07:30:59,963 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 07:30:59,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 07:31:04,680 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 07:34:33,033 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 07:34:33,058 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 07:34:33,058 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 07:34:33,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:34:33 BoogieIcfgContainer [2021-12-18 07:34:33,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 07:34:33,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 07:34:33,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 07:34:33,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 07:34:33,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:30:48" (1/3) ... [2021-12-18 07:34:33,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ef130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:34:33, skipping insertion in model container [2021-12-18 07:34:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:30:56" (2/3) ... [2021-12-18 07:34:33,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ef130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:34:33, skipping insertion in model container [2021-12-18 07:34:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:34:33" (3/3) ... [2021-12-18 07:34:33,073 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 07:34:33,077 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 07:34:33,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 07:34:33,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 07:34:33,149 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 [2021-12-18 07:34:33,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 07:34:33,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 4224 states, 2787 states have (on average 1.3153928955866523) internal successors, (3666), 2898 states have internal predecessors, (3666), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) [2021-12-18 07:34:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-18 07:34:33,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:34:33,248 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] [2021-12-18 07:34:33,249 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:34:33,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:34:33,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1616884150, now seen corresponding path program 1 times [2021-12-18 07:34:33,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:34:33,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392861999] [2021-12-18 07:34:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:34:33,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:34:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:34:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:34:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:34:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:34:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:34:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:34:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:34:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:34:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:34:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:34:34,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:34:34,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392861999] [2021-12-18 07:34:34,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392861999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:34:34,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:34:34,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 07:34:34,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114379515] [2021-12-18 07:34:34,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:34:34,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 07:34:34,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:34:34,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 07:34:34,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-18 07:34:34,622 INFO L87 Difference]: Start difference. First operand has 4224 states, 2787 states have (on average 1.3153928955866523) internal successors, (3666), 2898 states have internal predecessors, (3666), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:34:42,032 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 [] [2021-12-18 07:34:44,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:01,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:25,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:28,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:30,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:32,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:34,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:36,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:42,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:44,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:46,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:49,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:51,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:53,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:57,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:35:58,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:36:00,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:36:02,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:36:02,896 INFO L93 Difference]: Finished difference Result 9176 states and 13863 transitions. [2021-12-18 07:36:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 07:36:02,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2021-12-18 07:36:02,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:36:02,957 INFO L225 Difference]: With dead ends: 9176 [2021-12-18 07:36:02,957 INFO L226 Difference]: Without dead ends: 4935 [2021-12-18 07:36:02,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-18 07:36:02,993 INFO L933 BasicCegarLoop]: 5699 mSDtfsCounter, 1442 mSDsluCounter, 4965 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 1538 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 10664 SdHoareTripleChecker+Invalid, 5364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1538 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.4s IncrementalHoareTripleChecker+Time [2021-12-18 07:36:02,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1803 Valid, 10664 Invalid, 5364 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1538 Valid, 3812 Invalid, 14 Unknown, 0 Unchecked, 87.4s Time] [2021-12-18 07:36:03,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4935 states. [2021-12-18 07:36:03,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4935 to 4203. [2021-12-18 07:36:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4203 states, 2774 states have (on average 1.3107426099495314) internal successors, (3636), 2877 states have internal predecessors, (3636), 1216 states have call successors, (1216), 213 states have call predecessors, (1216), 212 states have return successors, (1207), 1198 states have call predecessors, (1207), 1207 states have call successors, (1207) [2021-12-18 07:36:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 4203 states and 6059 transitions. [2021-12-18 07:36:03,328 INFO L78 Accepts]: Start accepts. Automaton has 4203 states and 6059 transitions. Word has length 50 [2021-12-18 07:36:03,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:36:03,329 INFO L470 AbstractCegarLoop]: Abstraction has 4203 states and 6059 transitions. [2021-12-18 07:36:03,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:36:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 6059 transitions. [2021-12-18 07:36:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-18 07:36:03,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:36:03,334 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] [2021-12-18 07:36:03,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 07:36:03,335 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:36:03,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:36:03,336 INFO L85 PathProgramCache]: Analyzing trace with hash -228483016, now seen corresponding path program 1 times [2021-12-18 07:36:03,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:36:03,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684291171] [2021-12-18 07:36:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:36:03,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:36:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:36:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:36:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:36:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:36:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:36:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:36:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:36:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:36:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:36:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:36:04,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:36:04,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684291171] [2021-12-18 07:36:04,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684291171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:36:04,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:36:04,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:36:04,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475299330] [2021-12-18 07:36:04,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:36:04,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:36:04,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:36:04,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:36:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:36:04,439 INFO L87 Difference]: Start difference. First operand 4203 states and 6059 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:36:12,389 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 [] [2021-12-18 07:36:14,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:36:36,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:36:54,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:36:55,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:04,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:06,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:08,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:11,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:13,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:15,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:25,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:27,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:29,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:32,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:35,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:37,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:42,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:47,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:48,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:51,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:52,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:54,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:37:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:37:55,498 INFO L93 Difference]: Finished difference Result 5609 states and 8242 transitions. [2021-12-18 07:37:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:37:55,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2021-12-18 07:37:55,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:37:55,539 INFO L225 Difference]: With dead ends: 5609 [2021-12-18 07:37:55,539 INFO L226 Difference]: Without dead ends: 5606 [2021-12-18 07:37:55,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:37:55,544 INFO L933 BasicCegarLoop]: 5728 mSDtfsCounter, 6749 mSDsluCounter, 5806 mSDsCounter, 0 mSdLazyCounter, 4396 mSolverCounterSat, 3160 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7455 SdHoareTripleChecker+Valid, 11534 SdHoareTripleChecker+Invalid, 7570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3160 IncrementalHoareTripleChecker+Valid, 4396 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.1s IncrementalHoareTripleChecker+Time [2021-12-18 07:37:55,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7455 Valid, 11534 Invalid, 7570 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3160 Valid, 4396 Invalid, 14 Unknown, 0 Unchecked, 110.1s Time] [2021-12-18 07:37:55,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5606 states. [2021-12-18 07:37:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 4760. [2021-12-18 07:37:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 3142 states have (on average 1.3068109484404837) internal successors, (4106), 3261 states have internal predecessors, (4106), 1353 states have call successors, (1353), 265 states have call predecessors, (1353), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-18 07:37:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6804 transitions. [2021-12-18 07:37:55,783 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6804 transitions. Word has length 50 [2021-12-18 07:37:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:37:55,784 INFO L470 AbstractCegarLoop]: Abstraction has 4760 states and 6804 transitions. [2021-12-18 07:37:55,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:37:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6804 transitions. [2021-12-18 07:37:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-18 07:37:55,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:37:55,788 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] [2021-12-18 07:37:55,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 07:37:55,807 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:37:55,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:37:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1504908142, now seen corresponding path program 1 times [2021-12-18 07:37:55,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:37:55,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352690667] [2021-12-18 07:37:55,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:37:55,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:37:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:37:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:37:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:37:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:37:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:37:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:37:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:37:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:37:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:37:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:37:56,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:37:56,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352690667] [2021-12-18 07:37:56,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352690667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:37:56,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:37:56,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:37:56,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355739931] [2021-12-18 07:37:56,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:37:56,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:37:56,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:37:56,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:37:56,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:37:56,910 INFO L87 Difference]: Start difference. First operand 4760 states and 6804 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:38:02,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:17,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:29,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:35,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:37,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:39,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:41,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:44,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:46,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:53,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:56,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:38:59,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:07,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:08,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:09,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:39:09,426 INFO L93 Difference]: Finished difference Result 5608 states and 8240 transitions. [2021-12-18 07:39:09,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:39:09,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-18 07:39:09,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:39:09,463 INFO L225 Difference]: With dead ends: 5608 [2021-12-18 07:39:09,464 INFO L226 Difference]: Without dead ends: 5605 [2021-12-18 07:39:09,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:39:09,474 INFO L933 BasicCegarLoop]: 5711 mSDtfsCounter, 7725 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 4909 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8434 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 7720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4909 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.7s IncrementalHoareTripleChecker+Time [2021-12-18 07:39:09,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8434 Valid, 9574 Invalid, 7720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4909 Valid, 2801 Invalid, 10 Unknown, 0 Unchecked, 71.7s Time] [2021-12-18 07:39:09,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5605 states. [2021-12-18 07:39:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5605 to 4759. [2021-12-18 07:39:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3142 states have (on average 1.3064926798217695) internal successors, (4105), 3260 states have internal predecessors, (4105), 1352 states have call successors, (1352), 265 states have call predecessors, (1352), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-18 07:39:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6802 transitions. [2021-12-18 07:39:09,703 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6802 transitions. Word has length 51 [2021-12-18 07:39:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:39:09,705 INFO L470 AbstractCegarLoop]: Abstraction has 4759 states and 6802 transitions. [2021-12-18 07:39:09,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:39:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6802 transitions. [2021-12-18 07:39:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-18 07:39:09,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:39:09,708 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] [2021-12-18 07:39:09,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 07:39:09,709 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:39:09,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:39:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -594535941, now seen corresponding path program 1 times [2021-12-18 07:39:09,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:39:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435249896] [2021-12-18 07:39:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:39:09,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:39:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:39:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:39:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:39:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:39:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:39:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:39:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:39:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:39:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:39:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:39:10,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:39:10,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435249896] [2021-12-18 07:39:10,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435249896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:39:10,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:39:10,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:39:10,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979122847] [2021-12-18 07:39:10,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:39:10,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:39:10,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:39:10,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:39:10,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:39:10,804 INFO L87 Difference]: Start difference. First operand 4759 states and 6802 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:39:16,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:31,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:43,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:49,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:51,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:53,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:56,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:39:58,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:00,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:08,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:10,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:14,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:18,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:19,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:40:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:40:23,761 INFO L93 Difference]: Finished difference Result 5607 states and 8238 transitions. [2021-12-18 07:40:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:40:23,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-12-18 07:40:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:40:23,797 INFO L225 Difference]: With dead ends: 5607 [2021-12-18 07:40:23,798 INFO L226 Difference]: Without dead ends: 5604 [2021-12-18 07:40:23,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:40:23,805 INFO L933 BasicCegarLoop]: 5723 mSDtfsCounter, 7718 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 4892 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8425 SdHoareTripleChecker+Valid, 9588 SdHoareTripleChecker+Invalid, 7712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4892 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.2s IncrementalHoareTripleChecker+Time [2021-12-18 07:40:23,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8425 Valid, 9588 Invalid, 7712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4892 Valid, 2810 Invalid, 10 Unknown, 0 Unchecked, 72.2s Time] [2021-12-18 07:40:23,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5604 states. [2021-12-18 07:40:24,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5604 to 4758. [2021-12-18 07:40:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3142 states have (on average 1.3061744112030553) internal successors, (4104), 3259 states have internal predecessors, (4104), 1351 states have call successors, (1351), 265 states have call predecessors, (1351), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-18 07:40:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6800 transitions. [2021-12-18 07:40:24,123 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6800 transitions. Word has length 52 [2021-12-18 07:40:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:40:24,124 INFO L470 AbstractCegarLoop]: Abstraction has 4758 states and 6800 transitions. [2021-12-18 07:40:24,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:40:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6800 transitions. [2021-12-18 07:40:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-18 07:40:24,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:40:24,127 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] [2021-12-18 07:40:24,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 07:40:24,127 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:40:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:40:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1252788207, now seen corresponding path program 1 times [2021-12-18 07:40:24,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:40:24,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363544571] [2021-12-18 07:40:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:40:24,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:40:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:40:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:40:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:40:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:40:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:40:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:40:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:40:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:40:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:40:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:40:24,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:40:24,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363544571] [2021-12-18 07:40:24,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363544571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:40:24,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:40:24,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:40:24,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730761703] [2021-12-18 07:40:24,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:40:24,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:40:24,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:40:24,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:40:24,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:40:24,992 INFO L87 Difference]: Start difference. First operand 4758 states and 6800 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:40:30,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:10,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:13,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:15,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:18,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:20,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:22,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:30,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:33,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:37,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:41:46,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:41:46,480 INFO L93 Difference]: Finished difference Result 11613 states and 16764 transitions. [2021-12-18 07:41:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:41:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2021-12-18 07:41:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:41:46,534 INFO L225 Difference]: With dead ends: 11613 [2021-12-18 07:41:46,534 INFO L226 Difference]: Without dead ends: 6865 [2021-12-18 07:41:46,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:41:46,562 INFO L933 BasicCegarLoop]: 6436 mSDtfsCounter, 6450 mSDsluCounter, 6207 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 4557 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7097 SdHoareTripleChecker+Valid, 12643 SdHoareTripleChecker+Invalid, 8096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4557 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:41:46,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7097 Valid, 12643 Invalid, 8096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4557 Valid, 3529 Invalid, 10 Unknown, 0 Unchecked, 80.5s Time] [2021-12-18 07:41:46,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6865 states. [2021-12-18 07:41:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6865 to 5810. [2021-12-18 07:41:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 3841 states have (on average 1.2952356157250715) internal successors, (4975), 3981 states have internal predecessors, (4975), 1601 states have call successors, (1601), 369 states have call predecessors, (1601), 367 states have return successors, (1602), 1585 states have call predecessors, (1602), 1593 states have call successors, (1602) [2021-12-18 07:41:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8178 transitions. [2021-12-18 07:41:46,822 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 8178 transitions. Word has length 53 [2021-12-18 07:41:46,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:41:46,823 INFO L470 AbstractCegarLoop]: Abstraction has 5810 states and 8178 transitions. [2021-12-18 07:41:46,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:41:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 8178 transitions. [2021-12-18 07:41:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-18 07:41:46,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:41:46,825 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] [2021-12-18 07:41:46,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 07:41:46,826 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:41:46,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:41:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash -183767106, now seen corresponding path program 1 times [2021-12-18 07:41:46,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:41:46,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92835323] [2021-12-18 07:41:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:41:46,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:41:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:41:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:41:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:41:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:41:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:41:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:41:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:41:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:41:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:41:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:41:47,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:41:47,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92835323] [2021-12-18 07:41:47,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92835323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:41:47,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:41:47,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:41:47,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769621056] [2021-12-18 07:41:47,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:41:47,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:41:47,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:41:47,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:41:47,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:41:47,712 INFO L87 Difference]: Start difference. First operand 5810 states and 8178 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:41:52,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:11,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:30,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:32,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:34,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:37,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:39,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:41,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:50,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:52,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:42:56,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:06,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:09,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:12,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:35,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:38,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:43:40,691 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 [] [2021-12-18 07:43:41,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:43:41,776 INFO L93 Difference]: Finished difference Result 12304 states and 17891 transitions. [2021-12-18 07:43:41,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:43:41,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-18 07:43:41,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:43:41,854 INFO L225 Difference]: With dead ends: 12304 [2021-12-18 07:43:41,854 INFO L226 Difference]: Without dead ends: 12292 [2021-12-18 07:43:41,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:43:41,872 INFO L933 BasicCegarLoop]: 6554 mSDtfsCounter, 9286 mSDsluCounter, 8360 mSDsCounter, 0 mSdLazyCounter, 4825 mSolverCounterSat, 7185 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10258 SdHoareTripleChecker+Valid, 14914 SdHoareTripleChecker+Invalid, 12024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7185 IncrementalHoareTripleChecker+Valid, 4825 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.8s IncrementalHoareTripleChecker+Time [2021-12-18 07:43:41,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10258 Valid, 14914 Invalid, 12024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7185 Valid, 4825 Invalid, 14 Unknown, 0 Unchecked, 112.8s Time] [2021-12-18 07:43:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12292 states. [2021-12-18 07:43:42,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12292 to 10696. [2021-12-18 07:43:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10696 states, 7096 states have (on average 1.2979143179255919) internal successors, (9210), 7361 states have internal predecessors, (9210), 2916 states have call successors, (2916), 659 states have call predecessors, (2916), 683 states have return successors, (3083), 2896 states have call predecessors, (3083), 2907 states have call successors, (3083) [2021-12-18 07:43:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10696 states to 10696 states and 15209 transitions. [2021-12-18 07:43:42,434 INFO L78 Accepts]: Start accepts. Automaton has 10696 states and 15209 transitions. Word has length 54 [2021-12-18 07:43:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:43:42,434 INFO L470 AbstractCegarLoop]: Abstraction has 10696 states and 15209 transitions. [2021-12-18 07:43:42,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 07:43:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10696 states and 15209 transitions. [2021-12-18 07:43:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-18 07:43:42,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:43:42,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:43:42,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 07:43:42,438 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:43:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:43:42,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1916192711, now seen corresponding path program 1 times [2021-12-18 07:43:42,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:43:42,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636992748] [2021-12-18 07:43:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:43:42,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:43:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:43:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:43:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:43:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 07:43:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:43:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:43:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 07:43:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 07:43:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 07:43:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 07:43:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 07:43:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 07:43:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:43:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 07:43:43,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:43:43,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636992748] [2021-12-18 07:43:43,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636992748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:43:43,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:43:43,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:43:43,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586571031] [2021-12-18 07:43:43,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:43:43,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:43:43,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:43:43,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:43:43,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:43:43,615 INFO L87 Difference]: Start difference. First operand 10696 states and 15209 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 07:43:56,223 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 [] Killed by 15